1. Shnitnikov V. N. Birds of Minsk Province. Materialy k poznaniyu fauny i flory Rossiiskoi imperii. Otdel zoologiceskii [Materials to the knowledge of the fauna and flora of the Russian Empire. Department of Zoology], 1913, iss. 12. pp. 1–475 (in Russian).
2. Kashkarov D. N., Stanchinskii V. V. Course of zoology of vertebrates. 2nd ed. Moscow, Publishing House of the USSR Academy of Sciences, 1940. 1025 p. (in Russian).
3. Shul’pin L. M. Ecological sketch of the avifauna of the Malo-Alma-Ata State Reserve (based on observations in August-September 1932 and May 1933). Trudy Alma-Atinskogo gosudartsvennogo zapovednika [Proceedings of the Alma-Ata State Reserve], 1939, vol. 1, pp. 1–150 (in Russian).
4. Poznanin L. P. Main ecological types of birds. Doklady Akademii nauk SSSR. Novaya seriya [Proceedings of the Academy of Science of USSR. New series], 1950, vol. 75, no. 1, pp. 137–140 (in Russian).
5. Sazonov S. V. Avifauna of the taiga of Eastern Fennoscandia: historical and zonal-landscape factors of formation. Мoscow, Nauka Publ., 2004. 391 p. (in Russian).