Roth, T.L. 2006.Sumatran rhino update.E-Newsletter, North American Save the Rhino Campaign 2006 May-June: 5-6, fig. 1.
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Roth, T.L. 2005.2005 Annual report on Sumatran rhinos in the U.S..Report: pp. 1-18.
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Roth, T.L. 2005.The role of science in breeding the critically endangered Sumatran rhinoceros (Dicerorhinus sumatrensis).Proceedings of the Society of Integrative and Comparative Biology 2005: 218, no.S9.6.
Steinetz, B.G.; Brown, J.L.; Roth, T.L.; Czekala, N.M. 2005.Relaxin concentrations in serum and urine of endangered species: Correlations with physiologice events and use as a marker of pregnancy.Annals of the New York Academy of Sciences 1041: 367-378.
Roth, T.L. 2002.The birth of Andalas – a spark of hope for an imperiled species.Proceedings of the seminar and workshop on new techniques and management approaches to optimize animal reproduction and health, Bogor, 9 March.5 pp..
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Roth, T.L.; Kroll, J.L.; Bateman, H.L.; Steinetz, B.G. 2002.Ultrasound monitoring and serum progesterone and relaxin concentrations throughout gestation in a Sumatran rhinoceros (Dicerorhinus sumatrensis).Biology of Reproduction 66 (Suppl. 1): 258.
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Roth, T.L. 2002.A spark of hope for an imperiled species: the Sumatran rhino story.Wildlife Explorer, Cincinnati 8 (3): 4-5, figs. 1-3.