Materials for Ornithofauna of the Symbirian province

Alla, Boris Mikhailovich (1872-1943).Materials for Ornithofauna of the Simbirsk Gubernia / B.M.Zhitkov and S.A.Buturlin.- St. Petersburg: Type.MMStasyulevich, 1906. - [6], 275 p.;24. - (Notes of the Russian Geographical Society for General Geography. Ed. D. Chl. F.N. Chernyshev and D. Chl. A.P. Gerasimova; T. 41, No. 2).I. Buturlin, Sergey Aleksandrovich (1872-1938).Electronic Source: PB