Agil, M. 2007. Reproductive biology of the Sumatran rhinoceros, Dicerorhinus sumatrensis (Fischer, 1814). Dissertation presented to the Bogor Agricultural University: pp. 1-100.
Reproductive biology of the Sumatran rhinoceros, Dicerorhinus sumatrensis (Fischer, 1814)
Hodgden, R. 1998. Reproductive management and research of 1.1 Eastern Black rhinoceros (Diceros bicornis michaeli) at Zoo Atlanta. AZA Annual Conference Proceedings 1997: 304-306.
PDF download available
Schaffer, N.E.; Berkeley, E.V. 1993. Serum, urinary and fecal steroid correlates of reproductive behavior in the Black rhinoceros (Diceros bicornis) abstract. Annual Conference Proceedings AAZPA/CAZPA 1992: 572.