A long term decline in swelling of the sexual skin in captive lion-tailed macaques. By Harvey and Lindburg. Published in Primate Report. 59; 43-50

The European lion-tailed macaque population: an overview by Kaumanns, W., Schwitzer, C., Schmidt, P., Husung, A. and Knogge, C.

A century of involvement with lion-tailed macaque in North America. by Lindburg, D. G.

Experimental inter-group encounters in lion-tailed macaques (Macaca silenus). by Zinner, D., Hindahl, J. and Kaumanns, W.

All male group in captive lion-tailed macaques. by Stahl, D., Herman, F. and Kaumanns, W.