handwritten grammatical writings of the 17th century
Svetlana M. Kusmaul. An anonymous grammar of the 17th century and the correction of Russian liturgical books in the 1620s.
RJANO. 2016. № 1 (31), Pages. 227 - 248
ISSN 1681-1062 (print)
ISSN 2658-5022 (online)