Yefim Fyodorovich Karsky was a Belarusian linguist-slavist, ethnographer and paleographer, founder of Belarusian linguistics, literary studies and paleography, a member of numerous scientific institutions, and author of more than 100 works on linguistics, ethnography, paleography and others.
Karsky, supposedly in c. 1890s–1900s.
Belarusians, 1903
Belarusian is an East Slavic language. It is one of the two official languages in Belarus, alongside Russian. Additionally, it is spoken in some parts of Russia, Lithuania, Latvia, Poland, and Ukraine by Belarusian minorities in those countries.
The Casimir's Code of 1468, in Ruthenian
The third Lithuanian statute of 1588, all three written in Ruthenian
Ruthenian Bible by Francysk Skaryna, 1517, first ever book printed in Eastern Europe
The cover of the copy of the Dictionary of the Belarusian Local Tongue by Ivan Nasovič preserved at the Francis Skaryna Belarusian Library and Museum