Title: Slovarʹ russkogo i͡a︡zyka XI-XVII vv.. Ukazatelʹ istochnikov v pori͡a︡dke alfavita sokrashchennykh oboznacheniĭ
Subjects: Bibliography, Dictionaries, Lexicography, Russian language, Slovarʹ russkogo i︠a︡zyka XI-XVII vv, Sources