Dvaravati
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Dvaravati () was a medieval Mon political principality from the 6th century to the 11th century, located in the region now known as
central Thailand Central Thailand (Central Plain) (historically also known as Siam or Dvaravati) is one of the regions of Thailand, covering the broad alluvial plain of the Chao Phraya River. It is separated from northeast Thailand (Isan) by the Phetchabun Mount ...
, and was speculated to be a succeeding state of Lang-chia or Lang-ya-hsiu (). It was described by Chinese pilgrims in the middle of the 7th century as a Buddhist kingdom named ''To-lo-po-ti'' situated to the west of Isanapura (
Cambodia Cambodia, officially the Kingdom of Cambodia, is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. It is bordered by Thailand to the northwest, Laos to the north, and Vietnam to the east, and has a coastline ...
), to the east of Sri Ksetra (
Burma Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and ha ...
), and adjoined Pan Pan in the South. Its northern border met ''Jiā Luó Shě Fú'' (), which was speculated to be either ''Kalasapura'', situated along the coast of the
Bay of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean. Geographically it is positioned between the Indian subcontinent and the Mainland Southeast Asia, Indochinese peninsula, located below the Bengal region. Many South Asian and Southe ...
somewhere between Tavoy and
Rangoon Yangon, formerly romanized as Rangoon, is the capital of the Yangon Region and the largest city of Myanmar. Yangon was the List of capitals of Myanmar, capital of Myanmar until 2005 and served as such until 2006, when the State Peace and Dev ...
, or Canasapura in modern northeast Thailand. Dvaravati sent the first embassy to the Chinese court around 605–616, and then in 756. Text: Dvaravati also refers to a culture, an art style, and a disparate conglomeration of
principalities A principality (or sometimes princedom) is a type of monarchical state or feudal territory ruled by a prince or princess. It can be either a sovereign state or a constituent part of a larger political entity. The term "principality" is often ...
of
Mon people The Mon (; Thai Mon: ဂကူမည်; , ; , ) are an ethnic group who inhabit Lower Myanmar's Mon State, Kayin State, Kayah State, Tanintharyi Region, Bago Region, the Irrawaddy Delta, and several areas in Thailand (mostly in Pathum Than ...
. The Mon migrants as maritime traders might have brought the Dvaravati Civilization to the Menam Valley around 3000 BCE, which continued to the presence of a "Proto-Dvaravati" period that spans the 4th to 5th centuries, and perhaps earlier. The center of the early Davaravati was speculated to be Ayojjhapura (present-day Si Thep) but the power was shifted to the lower basin in Lavo's Lavapura in the 10th and 11th centuries. The rise of the
Angkor Angkor ( , 'capital city'), also known as Yasodharapura (; ),Headly, Robert K.; Chhor, Kylin; Lim, Lam Kheng; Kheang, Lim Hak; Chun, Chen. 1977. ''Cambodian-English Dictionary''. Bureau of Special Research in Modern Languages. The Catholic Uni ...
in the lower
Mekong The Mekong or Mekong River ( , ) is a transboundary river in East Asia and Southeast Asia. It is the world's twelfth-longest river and the third-longest in Asia with an estimated length of and a drainage area of , discharging of wat ...
basin around the 11th–13th centuries, the Menam Valley and the upper
Malay peninsula The Malay Peninsula is located in Mainland Southeast Asia. The landmass runs approximately north–south, and at its terminus, it is the southernmost point of the Asian continental mainland. The area contains Peninsular Malaysia, Southern Tha ...
conquered of Tambralinga's king Sujita who also seized Lavo in the mid-10th century, the 9-year civil wars in the
Angkor Angkor ( , 'capital city'), also known as Yasodharapura (; ),Headly, Robert K.; Chhor, Kylin; Lim, Lam Kheng; Kheang, Lim Hak; Chun, Chen. 1977. ''Cambodian-English Dictionary''. Bureau of Special Research in Modern Languages. The Catholic Uni ...
in the early 11th century, which led to the devastation of Lavo, as well as the
Pagan Paganism (, later 'civilian') is a term first used in the fourth century by early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions other than Christianity, Judaism, and Samaritanism. In the time of the ...
invasion of Menam Valley around the mid-10th century. All of these potentially are the causes of the fall of the Dvaravati civilization.


History

The culture of Dvaravati was based around moated cities, the earliest of which appears to be U Thong in what is now Suphan Buri Province. Other key sites include
Nakhon Pathom Nakhon Pathom (, ) is a city (''thesaban nakhon'') in central Thailand, the former capital of Nakhon Pathom province. One of the most important landmarks is the giant Phra Pathommachedi. The city is also home to Thailand's only Bhikkhuni temple W ...
, Phong Tuk, Si Thep, Khu Bua and Si Mahosot, amongst others. The term Dvaravati derives from coins which were inscribed in
Sanskrit Sanskrit (; stem form ; nominal singular , ,) is a classical language belonging to the Indo-Aryan languages, Indo-Aryan branch of the Indo-European languages. It arose in northwest South Asia after its predecessor languages had Trans-cultural ...
'' śrī dvāravatī''. The Sanskrit word ''dvāravatī'' literally means "that which has gates".Higham, C., 2014, Early Mainland Southeast Asia, Bangkok: River Books Co., Ltd., According to the inscription N.Th. 21 found in 2019 in Wat Phra Ngam in Nakhon Pathom, dated the 6th century, three regional cities were mentioned, including Śrīyānaṁdimiriṅga or Śrīyānaṁdimiriṅgapratipura, then Hastināpurī and Dvāravatī, which made
Nakhon Pathom Nakhon Pathom (, ) is a city (''thesaban nakhon'') in central Thailand, the former capital of Nakhon Pathom province. One of the most important landmarks is the giant Phra Pathommachedi. The city is also home to Thailand's only Bhikkhuni temple W ...
where the fractions was discovered probably the center of Dvāravatī. The traditional chronology of Dvaravati is mainly based on the Chinese textual account and stylistic comparison by art historians. However, the results from excavations in Chan Sen and Tha Muang mound at U-Thong raise questions about the traditional dating. Newly dated typical Dvaravati cultural items from the site of U-Thong indicate that the starting point of the tradition of Dvaravati culture possibly dates as far back as 200 CE. Archaeological, art historical, and epigraphic (inscriptions) evidence all indicate, however, that the main period of Dvaravati spanned the seventh to ninth centuries. Dvaravati culture and influence also spread into
Isan Northeast Thailand or Isan (Isan language, Isan/, ; ; also written as Isaan, Isarn, Issarn, Issan, Esan, or Esarn; from Pāli ''isāna'' or Sanskrit ईशान्य ''īśānya'' "northeast") consists of 20 provinces in northeastern Thai ...
and parts of lowland
Laos Laos, officially the Lao People's Democratic Republic (LPDR), is the only landlocked country in Southeast Asia. It is bordered by Myanmar and China to the northwest, Vietnam to the east, Cambodia to the southeast, and Thailand to the west and ...
from the sixth century onward. Key sites include Mueang Fa Daet in Kalasin Province, in Nakhon Ratchasima Province, and many others. In the book of ''
I Ching The ''I Ching'' or ''Yijing'' ( ), usually translated ''Book of Changes'' or ''Classic of Changes'', is an ancient Chinese divination text that is among the oldest of the Chinese classics. The ''I Ching'' was originally a divination manual in ...
'' or ''Yijing'', dating to the late 7th century, and the 629–645 journey of a Chinese monk,
Xuanzang Xuanzang (; ; 6 April 6025 February 664), born Chen Hui or Chen Yi (), also known by his Sanskrit Dharma name Mokṣadeva, was a 7th-century Chinese Bhikkhu, Buddhist monk, scholar, traveller, and translator. He is known for the epoch-making ...
, placed Dvaravati to the east of Kamalanka or ''Lang-ya-hsiu'' and west of Isanapura, if Kamalanka was centered at the ancient
Nakhon Pathom Nakhon Pathom (, ) is a city (''thesaban nakhon'') in central Thailand, the former capital of Nakhon Pathom province. One of the most important landmarks is the giant Phra Pathommachedi. The city is also home to Thailand's only Bhikkhuni temple W ...
as several scholars cited, thus, Dvaravati must be moved to the eastern side of the central plain. This conforms with the location provided in the largest Chinese leishu, Cefu Yuangui, compiled in 1005, says that Dvaravati was to the west of
Chenla Chenla or Zhenla ( zh, t=真臘, s=, 真腊, p=Zhēnlà, w=Chen-la; , ; ) is the Chinese designation for the vassal of the kingdom of Funan preceding the Khmer Empire that existed from around the late 6th to the early 9th century in Indochina. ...
and the east of the ''Ge Luo She Fen'' Kingdom (), which was proposed to be centered at the ancient
Nakhon Pathom Nakhon Pathom (, ) is a city (''thesaban nakhon'') in central Thailand, the former capital of Nakhon Pathom province. One of the most important landmarks is the giant Phra Pathommachedi. The city is also home to Thailand's only Bhikkhuni temple W ...
, same as Kamalanka, by Thai historian Piriya Krairiksh, who also identified this kingdom as the ''Gē Luó'' Kingdom () in the
New Book of Tang The ''New Book of Tang'', generally translated as the "New History of the Tang" or "New Tang History", is a work of official history covering the Tang dynasty in ten volumes and 225 chapters. The work was compiled by a team of scholars of the So ...
. Chinese historian, Chen Jiarong (), claims that the Zhū Jiāng Kingdom in the '' Cefu Yuangui'' and '' Book of Sui'' was Dvaravati principality. Together with the Cān Bàn Kingdom, they established relations with Zhenla to the east via
royal intermarriage Royal intermarriage is the practice of members of ruling dynasties marrying into other reigning families. It was more commonly done in the past as part of strategic diplomacy for national interest. Although sometimes enforced by legal requirem ...
after the annexation of
Funan Funan (; , ; , Chữ Hán: ; ) was the name given by Chinese cartographers, geographers and writers to an ancient Khmer-Mon Indianized state—or, rather a loose network of states ''( Mandala)''—located in Mainland Southeast Asia covering ...
in 627. Subsequently, faced Tou Yuan to the northwest and effectively established it as a vassal of Dvaravati in 647. This potentially leads the ''
Old Book of Tang The ''Old Book of Tang'', or simply the ''Book of Tang'', is the first classic historical work about the Tang dynasty, comprising 200 chapters, and is one of the Twenty-Four Histories. Originally compiled during the Five Dynasties and Ten Kingdo ...
'' to assert that the Pyu Kingdoms bordered Zhenla to the east. A mixed
Sanskrit Sanskrit (; stem form ; nominal singular , ,) is a classical language belonging to the Indo-Aryan languages, Indo-Aryan branch of the Indo-European languages. It arose in northwest South Asia after its predecessor languages had Trans-cultural ...
Khmer inscription dated 937 documents a line of princes of Canasapura, one of the Dvaravati polities, started by a Bhagadatta and ended by a Sundaravarman and his sons Narapatisimhavarman and Mangalavarman. Further east, the Chinese Tang Huiyao mentions the kingdom of Keoi Lau Mì of the Kuy people was also influenced by Dvaravati. 新唐书 'New Book of Tang''(in Chinese) In the early 10th century, several Dvaravati polities in the Menam Valley, which were weakened by decade-long wars between two Mon kingdoms, Hariphunchai and Lavo, fell to the invasion of Tambralinga, then by the invasions of the
Chola The Chola Empire, which is often referred to as the Imperial Cholas, was a medieval thalassocratic empire based in southern India that was ruled by the Chola dynasty, and comprised overseas dominions, protectorates and spheres of influence ...
and
Pagan Paganism (, later 'civilian') is a term first used in the fourth century by early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions other than Christianity, Judaism, and Samaritanism. In the time of the ...
in the late 10th century. Later, Dvaravati polities began to come under constant attacks and aggression of the
Khmer Empire The Khmer Empire was an empire in Southeast Asia, centered on Hydraulic empire, hydraulic cities in what is now northern Cambodia. Known as Kambuja (; ) by its inhabitants, it grew out of the former civilization of Chenla and lasted from 802 t ...
, and central
Southeast Asia Southeast Asia is the geographical United Nations geoscheme for Asia#South-eastern Asia, southeastern region of Asia, consisting of the regions that are situated south of China, east of the Indian subcontinent, and northwest of the Mainland Au ...
was ultimately invaded by King Suryavarman II in the first half of the 12th century. Hariphunchai survived its southern progenitors until the late 13th century, when it was incorporated into
Lan Na The Lan Na kingdom or the Kingdom of Lanna (, , "Kingdom of a Million Rice Fields"; , , ), also known as Lannathai, was an Indianized state centered in present-day Northern Thailand from the 13th to the 18th centuries. The cultural developmen ...
. During the decline period of Dvaravati, its succeeded polity, mentioned as Xiān () by several Chinese and Đại Việt sources, was formed in the lower Menam Basin around the 11th century. This new polity evolved into the
Ayutthaya Kingdom The Ayutthaya Kingdom or the Empire of Ayutthaya was a Thai people, Thai kingdom that existed in Southeast Asia from 1351 to 1767, centered around the city of Phra Nakhon Si Ayutthaya (city), Ayutthaya, in Siam, or present-day Thailand. Europe ...
in 1351. Its capital's full name also referred to Dvaravati; ''Krung Thep Dvaravati Si Ayutthaya'' (). All former Dvaravati principalities, including Lavo, Suphannabhum, and the northern cities of the
Sukhothai Kingdom The Sukhothai Kingdom was a post-classical Siamese kingdom (Mandala (political model), ''maṇḍala'') in Mainland Southeast Asia surrounding the ancient capital city of Sukhothai Historical Park, Sukhothai in present-day north-central Thaila ...
, were later incorporated into the
Ayutthaya Kingdom The Ayutthaya Kingdom or the Empire of Ayutthaya was a Thai people, Thai kingdom that existed in Southeast Asia from 1351 to 1767, centered around the city of Phra Nakhon Si Ayutthaya (city), Ayutthaya, in Siam, or present-day Thailand. Europe ...
in 1388, 1424, and 1438, respectively. According to the Burmese Inscription of Hsinbyushin of Ava A.D. 1768 (Serial No. 1128),Duroiselle, Charles; Archaeological Survey of Burma (1921)
''A List of Inscriptions found in Burma, Part I: The list of inscription arranged in the order of their dates.''
Rangoon: Superintendent, Government Printing, Burma. p. 175.
which was found on a bronze gun at Shwezigon Pagoda, and acquired by the Burmese in 1767, the Burmese continued to refer to Ayutthaya as Dvaravati by describing the "''conquest of Dvāravati (Siam)''" even after its fall to a Burmese invasion during the Pagan Kingdom. Several genetic studies published in the 2020s also founded the relations between the
Mon people The Mon (; Thai Mon: ဂကူမည်; , ; , ) are an ethnic group who inhabit Lower Myanmar's Mon State, Kayin State, Kayah State, Tanintharyi Region, Bago Region, the Irrawaddy Delta, and several areas in Thailand (mostly in Pathum Than ...
and Siamese people (Central Thai people) who were the descendants of the Ayutthaya. The Laotian also refers to Ayodhya before the traditional formation of the Ayutthaya Kingdom as Dvaravati and Sri Ayodhiya Dvaravati Nakhon ().


Government

Little is known about the administration of Dvaravati. It might simply have been a loose gathering of
chiefdom A chiefdom is a political organization of people representation (politics), represented or government, governed by a tribal chief, chief. Chiefdoms have been discussed, depending on their scope, as a stateless society, stateless, state (polity) ...
s rather than a centralised state, expanding from the coastal area of the upper peninsula to the riverine region of
Chao Phraya River The Chao Phraya River is the major river in Thailand, with its low alluvial plain forming the centre of the country. It flows through Bangkok and then into the Gulf of Thailand. Etymology Written evidence of the river being referred to by the ...
.
Hinduism Hinduism () is an Hypernymy and hyponymy, umbrella term for a range of Indian religions, Indian List of religions and spiritual traditions#Indian religions, religious and spiritual traditions (Sampradaya, ''sampradaya''s) that are unified ...
and
Buddhism Buddhism, also known as Buddhadharma and Dharmavinaya, is an Indian religion and List of philosophies, philosophical tradition based on Pre-sectarian Buddhism, teachings attributed to the Buddha, a wandering teacher who lived in the 6th or ...
were significant. The three largest settlements appear to have been at
Nakhon Pathom Nakhon Pathom (, ) is a city (''thesaban nakhon'') in central Thailand, the former capital of Nakhon Pathom province. One of the most important landmarks is the giant Phra Pathommachedi. The city is also home to Thailand's only Bhikkhuni temple W ...
, Suphanburi, and Praak Sriracha, with additional centers at U Thong, Chansen, Khu Bua, Pong Tuk, Mueang Phra Rot, Lopburi, Si Mahosot,
Kamphaeng Saen Kamphaeng Saen (, ) is the northwesternmost district (''amphoe'') of Nakhon Pathom province, central Thailand. History Kamphaeng Saen was a moated centre of Dvaravati culture, dating from 410-870 CE, with the foundation of a Buddhist stupa ident ...
, Dong Lakhon, U-Taphao, Ban Khu Mueang, and Si Thep. According to the Chinese record during the
Tang Dynasty The Tang dynasty (, ; zh, c=唐朝), or the Tang Empire, was an Dynasties of China, imperial dynasty of China that ruled from 618 to 907, with an Wu Zhou, interregnum between 690 and 705. It was preceded by the Sui dynasty and followed ...
, Dvaravati has two vassal kingdoms, including Tou Yuan (陀垣) near the present-
Chanthaburi Chanthaburi (, ) is a town ('' thesaban mueang'') in the east of Thailand, on the banks of the Chanthaburi River. It is the capital of the Chanthaburi Province and the Mueang Chanthaburi District. The town covers the two ''tambons'' Talat an ...
or southern Myanmar, and an island kingdom Tanling (曇陵), whose exact location remains unknown. A study on Dvaravati settlement patterns before the 14th century in the upper Chi-
Mun River The Mun River (, , ; , ), sometimes spelled ''Moon River'', is a tributary of the Mekong River. It carries approximately of water per year. Geography The river begins in the Khao Yai National Park area of the Sankamphaeng Range, near Nakhon R ...
basin suggests that Dvaravati might have been made up of several kingdoms linked by trade networks and centered at supra-regional level settlements, such as Dong Mueang Aem, Phimai, Mueang Fa Daet Song Yang, , Non Mueang, and Si Thep.


Rulers

The excavation in several sites found silver coins dated the 7th century that mentioned the king and queen of the kingdom written in
Sanskrit Sanskrit (; stem form ; nominal singular , ,) is a classical language belonging to the Indo-Aryan languages, Indo-Aryan branch of the Indo-European languages. It arose in northwest South Asia after its predecessor languages had Trans-cultural ...
with Pallava script: ''śrīdvaravatīsvarapunya'' (King Sridvaravati, who has great merit) and ''śrīdvaravatīsvaradevīpuṇya'' (the goddess of the meritorious King Dvaravati). In addition, the copper plate dating from the 6th–mid 7th centuries found at U Thong also mentions King Harshavarman (หรรษวรมัน), who was assumed by Jean Boisselier to be one of the kings of Dvaravati, while  George Cœdès considered the plate was brought from the 
Khmer Empire The Khmer Empire was an empire in Southeast Asia, centered on Hydraulic empire, hydraulic cities in what is now northern Cambodia. Known as Kambuja (; ) by its inhabitants, it grew out of the former civilization of Chenla and lasted from 802 t ...
, and the name mentioned might be the Khmer king as well. However, the periods seem unrelated since King Harshavarman I of Khmer reigned from 910–923, 200 years later than the age of the inscription,"Book Review: Voices from S-21"
. ''The American Historical Review'' (October 2002).
and Harshavarman I's grandfather was Indravarman I, not Isanavarman as the inscription mentioned. The following is a list of rulers of Dvaravati.


Art

Dvaravati itself was heavily influenced by
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
n culture, and played an important role in introducing
Buddhism Buddhism, also known as Buddhadharma and Dharmavinaya, is an Indian religion and List of philosophies, philosophical tradition based on Pre-sectarian Buddhism, teachings attributed to the Buddha, a wandering teacher who lived in the 6th or ...
and particularly
Buddhist art Buddhist art is visual art produced in the context of Buddhism. It includes Buddha in art, depictions of Gautama Buddha and other Buddhas and bodhisattvas in art, Buddhas and bodhisattvas, notable Buddhist figures both historical and mythical, ...
to the region.
Stucco Stucco or render is a construction material made of aggregates, a binder, and water. Stucco is applied wet and hardens to a very dense solid. It is used as a decorative coating for walls and ceilings, exterior walls, and as a sculptural and ...
motifs on the religious monuments include
garuda Garuda (; ; Vedic Sanskrit: , ) is a Hindu deity who is primarily depicted as the mount (''vahana'') of the Hindu god Vishnu. This divine creature is mentioned in the Hindu, Buddhist, and Jain faiths. Garuda is also the half-brother of the D ...
s,
makara Makara () is a legendary sea-creature in Hindu mythology. In Hindu astrology, Makara is equivalent to the Zodiac sign Capricorn. Makara appears as the vahana (vehicle) of the river goddess Ganga, Narmada, and of the god of the ocean, Varun ...
s, and
Nāga In various Asian religious traditions, the Nāgas () are a divine, or semi-divine, race of half-human, half-serpent beings that reside in the netherworld (Patala), and can occasionally take human or part-human form, or are so depicted in art. ...
s. Additionally, groups of musicians have been portrayed with their instruments, prisoners, females with their attendants, soldiers indicative of social life. Votive tablets have also been found, also moulds for tin amulets, pottery,
terracotta Terracotta, also known as terra cotta or terra-cotta (; ; ), is a clay-based non-vitreous ceramic OED, "Terracotta""Terracotta" MFA Boston, "Cameo" database fired at relatively low temperatures. It is therefore a term used for earthenware obj ...
trays, and a
bronze Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (including aluminium, manganese, nickel, or zinc) and sometimes non-metals (such as phosphorus) or metalloid ...
chandelier,
earring Earrings are jewelry that can be worn on one's ears. Earrings are commonly worn in a piercing in the earlobe or another external part of the ear, or by #Clip-on and other non-pierced earrings, some other means, such as stickers or clip-ons. Earr ...
s, bells and
cymbals A cymbal is a common percussion instrument. Often used in pairs, cymbals consist of thin, normally round plates of various alloys. The majority of cymbals are of indefinite pitch, although small disc-shaped cymbals based on ancient designs sou ...
.


Note


References


Further reading

*Robert L. Brown, ''The Dvaravati Wheels of the Law and the Indianization of South East Asia''. Studies in Asian Art and Archaeology, Vol. 18, Fontein, Jan, ed. Leiden and New York: E. J. Brill, 1996. *Elizabeth Lyons, "Dvaravati, a Consideration of its Formative Period", R. B. Smith and W. Watson (eds.), ''Early South East Asia: Essays in Archaeology, History and Historical Geography,'' Oxford University Press, New York, 1979, pp. 352–359. *Dhida Saraya, ''(Sri) Dvaravati: the Initial Phase of Siam's History'', Bangkok, Muang Boran, 1999, *Swearer, Donald K. and Sommai Premchit. ''The Legend of Queen Cama: Bodhiramsi's Camadevivamsa, a Translation and Commentary''. New York: State University of New York Press, 1998. *สุรพล ดำริห์กุล, ''ประวัติศาสตร์และศิลปะหริภุญไชย'', กรุงเทพฯ: สำนักพิมพ์เมืองโบราณ, 2004, . * Pierre Dupont, ''The Archaeology of the Mons of Dvāravatī,'' translated from the French with updates and additional appendices, figures and plans by Joyanto K.Sen, Bangkok, White Lotus Press, 2006. * Jean Boisselier, "Ū-Thòng et son importance pour l'histoire de Thaïlande tNouvelles données sur l'histoire ancienne de Thaïlande", ''Bōrānwitthayā rư̄ang MỮang ʻŪ Thō̜ng,'' Bangkok, Krom Sinlapakon, 2509 966 pp. 161–176. * Peter Skilling, "Dvaravati: Recent Revelations and Research", ''Dedications to Her Royal Highness Princess Galyani Vadhana Krom Luang Naradhiwas Rajanagarindra on her 80th birthday,'' Bangkok, The Siam Society, 2003, pp. 87–112. * Natasha Eilenberg, M.C. Subhadradis Diskul, Robert L. Brown (editors), ''Living a Life in Accord with Dhamma: Papers in Honor of Professor Jean Boisselier on his Eightieth Birthday,'' Bangkok, Silpakorn University, 1997. * C. Landes, "Pièce de l’époque romaine trouvé à U-Thong, Thaïlande", ''The Silpakorn Journal,'' vol.26, no.1, 1982, pp. 113–115. * John Guy, ''Lost Kingdoms: Hindu Buddhist Sculpture of Early Southeast,'' New York and Bangkok, Metropolitan Museum of Art and River Books, 2014, p. 32. * Wārunī ʻŌsathārom. ''Mư̄ang Suphan bon sēnthāng kan̄plīanplǣng thāng prawattisāt Phutthasattawat thī 8 – ton Phutthasattawat thī 25'' (History, development, and geography of the ancient city of Suphan Buri Province, Central Thailand, 8th–25th B.E.), Samnakphim Mahāwitthayālai Thammasāt, Krung Thēp, 2547. * {{Authority control Former countries in Thai history Buddhism in Thailand Buddhist culture Mon history Former countries in Southeast Asia Former monarchies of Asia Indianized kingdoms States and territories established in the 5th century States and territories disestablished in the 11th century 1380s disestablishments in Asia 5th-century establishments in Thailand 14th-century disestablishments in Thailand 1st millennium in Thailand Former monarchies of Southeast Asia