Olney, P.J.S.

Olney, P.J.S. 1984. Census of rare animals in captivity in 1982. International Zoo Yearbook 23: 366-367.

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Olney, P.J.S. 1982. Mammals bred in captivity and multiple generation births in 1980. International Zoo Yearbook 22: 428.

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Olney, P.J.S. 1982. Census of rare animals in captivity in 1981. International Zoo Yearbook 22: 465-466.

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Olney, P.J.S. 1981. Mammals bred in captivity and multiple generation births in 1979. International Zoo Yearbook 21: 438.

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Olney, P.J.S. 1981. Census of rare animals in captivity in 1980. International Zoo Yearbook 21: 361-362.

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Olney, P.J.S. 1980. Mammals bred in captivity and multiple generation births in 1978. International Zoo Yearbook 20: 438.

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Olney, P.J.S. 1980. Census of rare animals in captivity in 1979. International Zoo Yearbook 20: 476-477.

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Olney, P.J.S. 1979. Census of rare animals in captivity in 1978. International Zoo Yearbook 19: 415-416.

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Olney, P.J.S. 1979. Mammals bred in captivity and multiple generation births in 1977. International Zoo Yearbook 19: 370.

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Olney, P.J.S. 1978. Mammals bred in captivity and multiple generation births in 1976. International Zoo Yearbook 18: 392.

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Olney, P.J.S. 1978. Census of rare animals in captivity in 1977. International Zoo Yearbook 18: 434-434.

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Olney, P.J.S. 1977. Mammals bred in captivity and multiple generation births in 1975. International Zoo Yearbook 17: 322.

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Olney, P.J.S. 1977. Census of rare animals in captivity in 1976. International Zoo Yearbook 17: 363-364.

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Olney, P.J.S. 1976. Mammals bred in captivity and multiple generation births in 1974. International Zoo Yearbook 16: 399.

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Olney, P.J.S. 1976. Census of rare animals in captivity in 1975. International Zoo Yearbook 16: 438-439.

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