| Roth, T.L.; Patton, L.; Brown, J.; Czekala, N.; Swaisgood, R.; Lance, V., 1998. The North American experience: female hormonal cycles in southern white rhinoceros: pp. 6-8
| In: Patton, L. et al. Proceedings of a workshop on problems associated with the low rate of reproduction among captive-born female southern white rhinoceros (Ceratotherium simum simum). San Diego, Zoological Society: pp. 1, 1-51 |
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| Roth, T.L., 1991. Conceptus-derived immunosuppressive factors and their role in fetal allograft protection. Thesis presented to Louisiana State University, pp. 1-170
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