Hypatian Codex

The Hypatian Codex, also known as Hypatian Letopis or Ipatiev Letopis,^[a] is a compendium of three Rus' chronicles: the Primary Chronicle, Kievan Chronicle and Galician-Volhynian Chronicle.^[1] It is the most important source of historical data about Kievan Rus'.^[2] The language of this work is Old Church Slavonic with many East Slavisms.^{[citation needed]}

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