Freeman, H. (1980). The snow leopard, today and yesterday. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 2 (Vol. 2, pp. 37–43). Helsinki: Helsinki Zoo.
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Blomqvist, L. (1980). Photos of snow leopards. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards (Vol. 2, pp. 239–257). Helsinki: Helsinki Zoo.
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Blomqvist, L. (1980). The snow leopard register. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards (Vol. 2, pp. 218–238). Helsinki: Helsinki Zoo.
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Blomqvist, L. (1980). The 1979 world register for the captive population of snow leopards, Panthera uncia. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards (pp. 62–75). Helsinki: Helsinki Zoo.
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St. Louis Zoo. (1980). Oki-dok with Linka. ZUDUS, (April/May), S1.
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Poulton, S. M. C. (1980). A report on the feasibility of an ecological study of the snow leopard in northern India.
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Woodland Park Zoo. (1980). No vacancy.
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Rieger, I. (1980). Observations on the ontogeny of ounces, Uncia uncia (Schreber, 1775).
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Clevenger, S. A. (1980). Snow leopards born... and born... and born at OKC Zoo.
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Phillips, L. (1980). Post-mortem records, Henry Doorly Zoo, Omaha, Nebraska.
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