The ''Codex diplomaticus Caietanus'' (CDC) is an edited collection of documents (diplomas) pertaining to the

south Italian , altname = , states = Italy , region = Abruzzo, Apulia, Basilicata, Calabria, Campania, Lazio, Marche, Molise , ethnicity = ''Mezzogiorno'' Ethnic Italians , speakers = 5.7 million , date ...

city of

Gaeta Gaeta (; lat, Cāiēta; Southern Laziale: ''Gaieta'') is a city in the province of Latina, in Lazio, Southern Italy. Set on a promontory stretching towards the Gulf of Gaeta, it is from Rome and from Naples. The town has played a consp ...

in the

Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...

, from the eighth century to the fourteenth. The collection represents "for its geographically restricted range ... a relative abundance of sources".Guiraud (1982), 486: ''Pour ce cadre géographiquement restreint ... une relative abondance de sources''. The ''Codex'' consists of documents kept in the archives of the

Abbey of Montecassino An abbey is a type of monastery A monastery is a building or complex of buildings comprising the domestic quarters and workplaces of monastics, monks or nuns, whether living in communities or alone ( hermits). A monastery generally inc ...

, including the archives of the

Gattola The Gattola is a stream of the Basso Monferrato in north-west Italy, a left tributary of the Rotaldo. In 1836 it was of sufficient importance to be listed in the ''Dizionario geografico, storico, statistico, commerciale degli stati di S.M. il re ...

family, which were given to the abbey. The ''Codex'' was originally conceived in the late eighteenth century and finally published, as part of the ''Tabularium casinense'' series, by the monks of Montecassino in three volumes beginning with the first in 1887, the second volume in 1891 and the third volume in two installments in 1958 and 1960. Although the assembling of all the documents relating to medieval Gaeta was sometimes undertaken uncritically, the monks appended a comprehensive and trustworthy index. The ''Codex'' is the main source for the history of the

Duchy of Gaeta The Duchy of Gaeta was an early medieval state centered on the coastal South Italian city of Gaeta. It began in the early ninth century as the local community began to grow autonomous as Byzantine power lagged in the Mediterranean and the penin ...

and it provides greater detail for it than for the neighbouring early medieval states of

Amalfi Amalfi (, , ) is a town and ''comune'' in the province of Salerno, in the region of Campania, Italy, on the Gulf of Salerno. It lies at the mouth of a deep ravine, at the foot of Monte Cerreto (1,315 metres, 4,314 feet), surrounded by dramatic c ...

Naples Naples (; it, Napoli ; nap, Napule ), from grc, Νεάπολις, Neápolis, lit=new city. is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 909,048 within the city's adminis ...

and

Sorrento Sorrento (, ; nap, Surriento ; la, Surrentum) is a town overlooking the Bay of Naples in Southern Italy. A popular tourist destination, Sorrento is located on the Sorrentine Peninsula at the south-eastern terminus of the Circumvesuviana rail ...

References

{{Reflist

Sources

*Guiraud, Jean-François
e au XIII^e siècle"">"Le réseau de peuplement dans le duché de Gaète du X^e au XIII^e siècle"
'' Mélanges de l'École française de Rome. Môyen-Âge, Temps modernes'', 94, 2 (1982): 485–511. Accessed on 10 May 2013. * Skinner, Patricia. ''Family Power in Southern Italy: The Duchy of Gaeta and its Neighbours, 850–1139''. Cambridge: Cambridge University Press, 1995. Gaeta Duchy of Gaeta