The northern boundary of the chernozem region of the Eastern part of European Russia in botanico-geographic and soil relation / [Com.] S. Korzhinsky. 1-. - Kazan: type. University, 1888-1889. - 24. - (Proceedings of the Society of Naturalists at the Kazan University)
Source of the electronic copy: PB
1. Introduction. Botanico-geographical outline of the Kazan province. - 1888. -253, , IV p., 1 l. maps .. - (Proceedings of the Society of Naturalists at the Kazan University, T. 18, issue 5)
1. Territory of Russia: Tatarstan, Republic (collection). 2. The Republic of Tatarstan: pages of history (collection). 3. Natural wealth of Russia (collection). 4. Plants - Kazan Province.