Schaffer, N.
Bosi, E.J.; Kilbourn, A.; Schaffer, N.E. 2001. Sumatran rhinoceros conservation strategy in Sabah.
Schaffer, N.E. 1999. Sumatran rhinoceros: reproductive data 1991-1999 (with updates and addenda). SOS Rhino. pp. 1-78 (revised 2018).
Felshman, J.; Schaffer, N.E. 1998. Sex and the single rhinoceros. Chicago Reader 1998 February 20: 1, 24-27.
Schaffer, N.E.; Walasek, J.G.; Hall, D.C.; Bryant, W.; Reed, M.C. 1998. Cage restraints for rhinoceros. Zoo Biology 17: 343-359, figs. 1-9.
Patton, M.L.; Czekala, N.M.; Schaffer, N.E.; Lance, V.A. 1998. Hormonal manipulations of rhinoceros.
Schaffer, N.E.; Bryant, W.; Agnew, D.; Meehan, T.P.; Beehler, B.A. 1998. Ultrasonographic monitoring of artificially stimulated ejaculation in three rhinoceros species (Ceratotherium simum, Diceros bicornis, Rhinoceros unicornis). Journal of Zoo Animal Medicine 29 (4): 386-393, figs. 1-5, tables 1-2.
Berkeley, E.V.; Schaffer, N.E.; Bryant, W. 1997. Serum and fecal steroid analysis of ovulation, pregnancy, and parturition in the black rhinoceros (Diceros bicornis). Zoo Biology 16 (2): 121-132, figs. 1-4, tables 1-2 - https://doi.org/10.1002/(SICI)1098-2361(1997)16:2<121::AID-ZOO3>3.0.CO;2-C. doi.org/10.1002/(SICI)1098-2361(1997)16:2<
Schaffer, N.E. 1996. Manual for chute design for the rhinoceros. Coimbatore, Zoo Outreach Organisation. pp. 1-38.
Schaffer, N.E.; Bryant, W.; Berry, J.A.; Powell, R.; Barnett, C.; Joyce, J.; Berkeley, E.V. 1995. Case report: Successful birth after intensive management of an aged Black rhinoceros (Diceros bicornis) with a history of abortions. Regional Conference Proceedings of the AZA 1995: 332-337, 2 figures.
Schaffer, N.E.; Zainuddin, Z.Z.; Suri, M.S.M.; Jainudeen, M.R.; Jeyendran, R.S. 1994. Ultrasonography of the reproductive anatomy in the Sumatran rhinoceros (Diceorhinus sumatrensis). Journal of Zoo and Wildlife Medicine 25 (3): 337-348.
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.
Schaffer, N.E.; Jeyendram, R.S.; Beehler, B.A. 1993. Reproductive procedures and restraint for rhinoceroses.
Schaffer, N.E.; Zainuddin, Z.Z.; Tajuddin Abdullah, M.; Jainudeen, M.R.; Khan, M.K.; Jeyendran, R.S. 1993. Fertility analysis techniques in Sumatran rhinos: semen collection and ultrasound (abstract). Annual Conference Proceedings AAZPA/CAZPA 1992: 573.
Schaffer, N.E.; Beehler, B.A. 1990. Preliminary studies on the anatomy and ultrasonic images of the reproductive structure of three species of rhinoceros (Rhinoceros unicornis, Diceros bicornis, Ceratotherium simum). Proceedings of the American Association of Zoo Veterinarians 1990: 242-248, 2 figures, 1 table.
Schaffer, N.E.; Beehler, B.A.; Jeyendram, R.S.; Balke, B. 1990. Methods of semen collection in an ambulatory greater one-horned rhinoceros (Rhinoceros unicornis). Zoo Biology 9: 211-221, figs. 1-3, table 1.
Schaffer, N.E.; Beehler, B.A. 1988. Overview of procedures and results of semen collection from ambulatory rhinoceroses. Proceedings of the AAZPA Annual Conference 1988: 273-279, tables 1-5.
Schaffer, N.E.; Beehler, B.A. 1988. Comparison of semen collection methods in an ambulatory Indian rhinoceros (Rhinoceros unicornis) [Abstract of poster session].
Schaffer, N.E.; Meuli, L. 1984. Urine collection: Value in reproductive research. AAZPA Regional Conference Proceedings 1983: 400-411, 12 figures.






