Title: Gramotki semnadt︠s︡atogo-nachala vosem'nadt︠s︡atogo veka.
Authors: Kotkov, Sergeĭ Ivanovich,; Tarabasova, N. I.; Pankratova, N. P.; Institut russkogo i︠a︡zyka (Akademii︠a︡ nauk SSSR)
Publisher: Nauka,
Year: 1969
Subjects: Russian letters