The International Primatological Society (IPS) is a scientific, educational, and charitable organization focused on non-human primates. It encourages scientific research in all areas of study, facilitates international cooperation among researchers, and promotes primate conservation.
Jan van Hooff served as secretary general of the organization.[2]
^Mittermeier, R.A.; Wallis, J.; Rylands, A.B.; Ganzhorn, J.U.; Oates, J.F.; Williamson, E.A.; Palacios, E.; Heymann, E.W.; Kierulff, M.C.M.; Long Yongcheng; Supriatna, J.; Roos, C.; Walker, S.; Cortés-Ortiz, L.; Schwitzer, C., eds. (2009). Primates in Peril: The World's 25 Most Endangered Primates 2008–2010(PDF). Illustrated by S.D. Nash. IUCN/SSC Primate Specialist Group (PSG), International Primatological Society (IPS), and Conservation International (CI). pp. 1–92. ISBN978-1-934151-34-1. Archived from the original(PDF) on 2011-08-10.