''Internetowa encyklopedia PWN'' ( Polish for ''Internet PWN Encyclopedia'') is a free online Polish-language

encyclopedia An encyclopedia is a reference work or compendium providing summaries of knowledge, either general or special, in a particular field or discipline. Encyclopedias are divided into article (publishing), articles or entries that are arranged Alp ...

published by

Wydawnictwo Naukowe PWN Wydawnictwo Naukowe PWN (''Polish Scientific Publishers PWN''; until 1991 ''Państwowe Wydawnictwo Naukowe'' - ''National Scientific Publishers PWN'', PWN) is a Polish book publisher, founded in 1951, when it split from the Wydawnictwa Szkolne i ...

. It contains some 80,000 entries and 5,000 illustrations.''Internetowa encyklopedia PWN''

References

Online encyclopedias Polish online encyclopedias Polish Scientific Publishers PWN books {{Poland-book-stub