Punctuation marks: A manual for the seven-year school and for self-education: Nauch. section State. scientist. Council admission. for schools 2 steps / S. Abakumov, V. Klyuyeva. - 2 nd ed., Sr. - Moscow; Leningrad: Gos. Izd-vo, 1927. - 100 s .. - (Teaching aids for schools 1 and 2 steps). - On the region. zagl. ser .: Benefits for the labor school. On the region. подзаг .: The manual for schools-seven-year plans and for self-education. - 10000 copies.
I. Klyueva, Vera Nikolayevna. Russian language (collection). 2. Russian language - Punctuation - Educational publications for secondary schools.
Electronic copy source: PB Location on the original: ГПИБ