Pagan, O.

Basel Zoo; Steck, B.; Pagan, O. 2021. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2021. Basel, Zoologischer Garten. pp. 1-79.

Basel Zoo; Steck, B.; Pagan, O. 2020. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2020. Basel, Zoologischer Garten. pp. 1-78.

Basel Zoo; Houwald, F. von; Pagan, O.; Rieches, R. 2019. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2019. Basel, Zoologischer Garten. pp. 1-57.

Basel Zoo; Houwald, F.von; Pagan, O.; Rieches, R. 2017. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2017. Basel, Zoologischer Garten. pp. 1-59.

Basel Zoo; Houwald, F.von; Pagan, O.; Rieches, R. 2016. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2016. Basel, Zoologischer Garten. pp. 1-71.

Basel Zoo; Houwald, F.von; Pagan, O.; Rieches, R. 2015. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2015. Basel, Zoologischer Garten. pp. 1-69.

Basel Zoo; Houwald, F.von; Pagan, O.; Rieches, R. 2014. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2014. Basel, Zoologischer Garten. pp. 1-63.

Basel Zoo; Houwald, F.von; Pagan, O.; Rieches, R. 2013. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2013. Basel, Zoologischer Garten. pp. 1-66.

Basel Zoo; Houwald, F.von; Pagan, O.; Rieches, R. 2012. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2012. Basel, Zoologischer Garten. pp. 1-52.

Basel Zoo; Houwald, F.von; Pagan, O.; Rieches, R. 2011. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2011. Basel, Zoologischer Garten. pp. 1-63.

Basel Zoo; Houwald, F.von; Pagan, O.; Rieches, R. 2010. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2009. Basel, Zoologischer Garten. pp. 1-51.

Pagan, O.; Ellis, S.; Ghose, D.; Sharma, A.; Houwald, F. von 2010. Basel Zoo and Indian rhinos: how a zoo can help secure the future of an endangered species. In: Building a future for wildlife: zoos and aquariums committed to biodiversity conservation (Gerald, D. and Gusset, M. eds) WAZA pub: 163-166, 6 images.

Basel Zoo; Houwald, F.von; Pagan, O.; Rieches, R. 2010. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2010. Basel, Zoologischer Garten. pp. 1-47.

Basel Zoo; Houwald, F.von; Pagan, O.; Rieches, R. 2009. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2008. Basel, Zoologischer Garten. pp. 1-58.

Lindsay, N.; Versteege, L.; Pilgrim, N.; Pagan, O. 2008. EAZA Rhinoceros TAG. EAZA Yearbook 2007-2008: 1-12.

Basel Zoo; Hlavacek, G.; Pagan, O.; Steck, B. 2007. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, 31 December 2006. Basel, Zoologischer Garten. pp. 1-51.

Basel Zoo; Hlavacek, G.; Pagan, O. 2006. International studbook for the greater one-horned or Indian rhinoceros, Rhinoceros unicornis, update 2005. Basel, Zoologischer Garten. pp. 1-51.

Pagan, O. 2006. Ein 'neues' Nashornhaus im 'alten'. Zoo Basel Magazin 01/06: 16-17, fig. 1.

Voellm, J.; Pagan, O.; Burnens, A.; Kuhnert, P.; Pletscher, M. 2000. A case of extended exudative dermatitis in an Indian rhino (Rhinoceros unicornis). Proceedings of the European Association of Zoo and Wildlife Veterinarians 2000: 205-208, figs. 1-3.