Author(s): Zinner, D., Keller, C., Nyahongo, J.W., Butynski, T.M., De Jong, Y.A., Pozzi, L., Knauf, S., Liedigk, R. & Roos, C.
Date: 2015
Registered: Journal of East African Natural History 104(1&2): 143–168
Author(s): Butynski, T.M., Parker, I. & De Jong, Y.A.
Date: 2015
Registered: Journal of East African Natural History 104: 41-77
Author(s): Butynski, T.M. & De Jong, Y.A
Date: 2016
Registered: Report prepared for ISLA/IDH by Rhino Ark Charitable Trust
Author(s): De Jong, Y.A. & Butynski, T.M.
Date: 2016
Registered: Unpublished report by the Eastern Africa Primate Diversity and Conservation Programme & Lolldaiga Hills Research Programme
Author(s): Butynski, T.M. & Hamerlynck, O.
Date: 2016
Registered: Primates in Peril: The World’s 25 Most Endangered Primates 2014–2016. C. Schwitzer, R. A. Mittermeier, A. B. Rylands, F. Chiozza, E. A. Williamson, J. Wallis & A. Cotton, eds. IUCN/SSC Primate Specialist Group, Arlington, VA. Pp. 20–22.
