| Wallach, J.D., 1969. Hand-rearing and observations of a white rhinoceros Diceros s. simus. International Zoo Yearbook 9: 103-104, tables 1-2
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| Wallach, J.D., 1967. Degenerative arthritis in a black rhinoceros. Journal of the American Veterinary Medicine Association 151 (7): 887-889, figs. 1-3
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| Wallach, J.D., 1966. Immobilization and translocation of the white (square-lipped) rhinoceros. Journal of the American Veterinary Medicine Association 149 (7): 871-874
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