L. Pronina (2009). "The Oldest Library of Ryazan"(PDF). Bibliotekovedenie (in Russian) (1): 5, 111. Archived from the original(PDF) on 2022-03-03. Retrieved 2011-12-29.
L. Pronina (2009). "The Oldest Library of Ryazan"(PDF). Bibliotekovedenie (in Russian) (1): 5, 111. Archived from the original(PDF) on 2022-03-03. Retrieved 2011-12-29.