Naumov S.P. (1948). The cats – Felidae. Mountain regions of USSR.
Abstract: Description of Felidae family species (Tigris tigris, Leopardus (Pardus) pardus and Unci uncia) is given. In USSR snow leopard inhabited in mountain ridges of Middle Asia and Altai.
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Kaletskiy A.A. (1974). May-“traven”.
Abstract: Diverse flora and fauna and seasonal phenomena in nature are stated in a popular form. Snow leopard is noticed to be a rare species, its population being significantly influenced by catching for zoos: over 400 snow leopards have been caught for this purpose over the last 35 years.
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Sludskiy A.A. (1973). Snow leopard or irbis Pantera (Uncia) uncia Schreber (1776) (Vol. Vol. 34. Hunting mammals of Kazakhstan).
Abstract: A detailed description of the snow leopard habitat in Turkmenistan, Tajikistan, Uzbekistan, Kyrgyzstan, Kazakhstan, Mongolia, China, Pakistan, and India is given. Provided are data concerning its distribution and population size in the USSR, Kazakhstan and other neighbour countries, as well as its habitat, catching, and fur trade. Reduction of the snow leopard catching volumes for zoological trade to 10 or less animals is recommended to preserve the species; establish two new highland nature reserves; improve the management of snow leopard raising in captivity.
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Abramov V.K. (1974). Ecological basis of the conservation of large predators in USSR (Vol. Vol.I.).
Abstract: Problems of conservation of large predators (Felis tigris L., Panthera pardus L., Felis uncia Schreb., Acinonyx jubatus Schreb., Hyaena h¢…†n… L., Cuon alpinus Pall., Ursus maritimus Phipps, U.tibetanus Cuv.) inhabiting territory of USSR are discussed.
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Bobrinskiy, N. A. (1935). Subgenus Leopardus.
Abstract: Snow Leopard Felis (Leopardus) uncia S c h r † b., 1778 is distributed in the mountains of Central Asia, Turkmenistan (very rare) and Turkestan, on Tarbagatay, Altay, Sayans and in Uriankhay area. Subspecies haven't been described. Body length is about 130 cm, tail length 90 cm.
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Vereschagin N.K., S. T. B. (1976). Rare mammals in the USSR: protection challenges.
Abstract: A group of rare and endangered species was segregated within the game and non-game mammals of the USSR. Some species in the group were formerly referred to game species. But due to over-hunting and the absence of measures aimed at their reproduction the population dropped sharply. Mammal fauna of the USSR includes more than 80 species that require special protection. The Red list of IUCN includes, among the others, white bear, Transcaucasian sub-species of brown bear, Amur and Turan tigers, snow leopard, Caucasian and Amur leopards, caracal, cheetah, Tien-Shan and Ussuri sub-species of dhole, Atlantic walrus, island seal, kulan, Bukhara red deer, New Land reindeer, goitered gazelle, Menzbier's marmot.
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Bannikov A.G. (1971). Genus Panthera.
Abstract: It gives the description of genus Panthera: lion, tiger, leopard, jaguar and snow leopard. The mountains of Central Asia and South Siberia limit the habitat of snow leopard in the USSR. This species is also distributed in the Himalayas, Tibet, and mountains of Mongolia. In summer, it lives at 3,660 3,970 m above sea level, while in winter, following the ungulates; snow leopard descends to 1,800 m. In the Himalayas, it ascends up to 5,500 m above sea level in summer. In Djungar and Talas Ala-Tau, snow leopard keeps at 600 1,200 m. It takes refuge in caves and cracks of rocks. Snow leopard is mostly active in twilights and night, rarer in daylight, and preys on ungulates, hares, marmots, and others. The coupling period is winter or early spring. A gestation is about 90 days. It has 3 5 cubs in a litter.
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Baryshnikov G.F. (1981). Sub-genus Panthera Oken, 1816. Genus Panthera.
Abstract: The monograph provides taxonomic description of sub-genus Panthera Oken, 1816, genus Uncia grey, 1854. Snow leopard inhabits the mountains of Tajikistan, the Pamirs, Tien Shan, Tarbagatai, the Altai, the Sayans; also the mountain of Mongolia, Tibet, the Himalayas, and Hindukush, where it keeps to alpine meadows and woodless rocks at up to 3,000 – 4,000 m above sea level in summer, and descends to a lower elevation in winter. It described from the Altai. They are of minor trade importance. This species is rare all over its habitat and included in the Red Data Book of the USSR.
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Pokrovskiy V.S. (1967). Special protected areas (zakazniks) in areas of existence of rare and especially useful species of animals.
Abstract: The description of nature reserves of USSR is given. The key species living within these reserves are specified. The snow leopard is recorded for zakaznik located in Koksu River upper, Kazakhstan.
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Sosnovskiy I.P. (1987). Snow leopard or irbis.
Abstract: In a popular form, it tells about rare vertebrate animals included in the Red Data Book of the USSR, their biology, behavioral patterns, threats and measures being taken to protect them. Total number of snow leopard in the USSR is defined as 2,000 animals. 200 snow leopards live in zoos throughout the world. The animals successfully reproduce themselves in the Moscow, Kaunas, and Alma-Ata zoos. Snow leopard's maximum life expectancy in enclosures is 22 years.
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