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Portland Zoological Society. (1976). Snow leopards, animals of the month (Vol. 5).
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Woodland Park Zoo. (1980). No vacancy.
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Seneca Park Zoo. Meat loan saves leopard.
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Anonymous. You can help save the snow leopard.
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(1988). Plan to conserve snow leopard. Herald News Service.
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Bhatia, S. (1986). Outcry over Mongolian Bounty on Snow Leopards. Unknown.
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Mackay, C. (1987). Open season on snow leopard and HK could catch the flak. Unknown.
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