Author Иванов П.И. Description Ivanov, P.I. Guide to the conduct of the initial lessons of the Russian language in the Chuvash primary schools / P.I. Ivanov. - Cheboksary: Gos. publishing house. Chuvash. reg. Deposition, 1923. -71 s .. -2000 copies. . Source of the electronic copy: PB Publisher Гос. изд-во. Чуваш. обл. отд-ние Collections Chuvash Republic (Chuvashia) → Chuvash Republic (Chuvashia): pages of history → Language → Russian language