Sava's book
Sava's book (; ) is a 129-folio Cyrillic Old Church Slavonic canon evangeliary, written in the 11th century. The original 126 parchment folios are of Bulgarian provenance, being bound into a larger codex with later additions of the Russian Church Slavonic recension. The codex is named the priest Sav(v)a, who inscribed his name on two of the original folios. There is no other historical record of Sava, and it is therefore believed that he was one of the manuscript's copyists. The early history of Sava's book is unknown. What can be ascertained is that the codex was in the Seredkino monastery near Pskov until at least the 17th century. Afterwards it was moved to the manuscript collection of the Moscow Synodal Printing House, where it was found in 1866 by the Russian Slavist Izmail Sreznevsky, who gave the codex its modern-day appellation and was the first one to publish it in Saint Petersburg in 1868. Today it is kept in the Russian State Archives of Ancient Documents in Moscow. The first critical edition of the manuscript was published by V. N. Ščepkin (Savvina kniga, Saint Petersburg 1903), photographically reprinted in Graz in 1959. Ščepkin was the first to perform a