Basel Zoo; Hlavacek, G.; Studer, P. 2002. International studbook for the greater one-horned rhinoceros Rhinoceros unicornis Linne, 1758: Update 31 December 2001. Basel, Zoologischer Garten. pp. 1-38.
Basel Zoo; Wirz-Hlavacek, G.; Zschokke, S.; Studer, P. 2001. International studbook for the greater one-horned rhinoceros Rhinoceros unicornis Linne, 1758: report date 31 December 2000. Basel, Zoologischer Garten. pp. 1-54.
Basel Zoo; Wirz-Hlavacek, G.; Studer, P. 2000. International studbook for the greater one-horned rhinoceros, Rhinoceros unicornis (Linne, 1758), update 31 December 1999. Basel, Zoologischer Garten. pp. 1-34.
Basel Zoo; Wirz-Hlavacek, G.; Zschokke, S.; Studer, P. 1999. International studbook for the greater one-horned rhinoceros, Rhinoceros unicornis (Linne, 1758), 10th edition. Basel, Zoologischer Garten. pp. 1-50.
Basel Zoo; Wirz-Hlavacek, G.; Zschokke, S.; Studer, P. 1998. International studbook for the greater one-horned rhinoceros, Rhinoceros unicornis (Linne, 1758), report date 31 December 1998. Basel, Zoologischer Garten. pp. 1-50.
Basel Zoo; Wirz-Hlavacek, G.; Studer, P. 1998. International studbook for the greater one-horned rhinoceros, Rhinoceros unicornis (Linne, 1758): update 31 December 1997. Basel, Zoologischer Garten. pp. 1-21.
Zschokke, S.; Studer, P.; Baur, B. 1998. Past and future breeding of the Indian rhinoceros in captivity. International Zoo News 45 (5): 261-276, figs. 1-6, tables 1-2.
Basel Zoo; Wirz-Hlavacek, G.; Zschokke, S.; Studer, P. 1997. International studbook for the greater one-horned rhinoceros, Rhinoceros unicornis (Linne, 1758), 9th edition. Basel, Zoologischer Garten. pp. 1-44.
Zschokke, S.; Studer, P. 1997. Preservation of genetic diversity in the captive population of the Great Indian rhinoceros. Revue Suisse de Zoologie 104 (4): 715.
Baur, B.; Studer, P. 1995. Inbreeding in captive Indian rhinoceros Rhinoceros unicornis. International Zoo Yearbook 34: 205-211, figs. 1-2, table 1.






