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Bulletin of the Leningrad Regional Department of Public Education. Leningrad, 1923-1931

1925

Поспелова А., Гловацкий Л., Левин Г.

Bulletin of the Leningrad Regional Department of Public Education. 3. 3. 1925. No. 42. November 14

Bulletin of the Leningrad Regional Department of Public Education. 3. 3. 1925. No. 42. November 14. 1925.
1926

Смирнов А., Евгеньев-Максимов, Виленкин А., Салтыков-Щедрин М. Е.

Bulletin of the Leningrad Regional Department of Public Education. 4. 4. 1926. № 4. January 30

Bulletin of the Leningrad Regional Department of Public Education. January 4. 1926. No. 4. 30 January. 1926.