Kogan M.I. (1931). The Kazakh SSR. The Kyrgyz SSR. The Uzbek and Tajik SSR. The Turkmen SSR.
Abstract: It describes geographical, soil, climatic and hydrological features of Kazakhstan, Kyrgyzstan, Uzbekistan, and Tajikistan. Types of economic activities including fur-trade are described, too. Game preserves are classified, and list of game fauna species inhabiting these republics is given. Snow leopard lives in rocky mountains and is hunted very rarely.
Laptev M.K. (1929). The cats – Felidae (Vol. Issue I.).
Abstract: It describes identification features of the Felidae family species (ItŒ¤ŒlŒbus, A¤inŒn¢o, L¢no, Oigris, D…rdus, Uncia, r†m…†lurus, ¥…a…¤…l, ¥atolynx, Felis): colour, body size and skull length, length of limbs, presence or absence of ear-brushes, cheek-bones width, nasal bones, palatine bone, rapacious tooth, and acoustical capsules.
