1. Andrew, R. J., and Klopman, R. B. (1974). Urine washing: Comparative notes. In Martin, R. D., Doyle, G. A., and Walker, A. C. (eds.),Prosimian Biology, Duckworth, London, pp. 303–312.
2. Bearder, S. K. (1975).Aspects of the Ecology and Behaviour of the Thick-Tailed Bushbaby, Galago crassicaudatus, Unpublished Ph.D. thesis, University of the Witwatersrand, Johannesburg.
3. Bearder, S. K., and Doyle, G. A. (1974). Ecology of bushbabies,Galago senegalensis andGalago crassicaudatus, with some notes on their behaviour in the field. In Martin, R. R., Doyle, G. A., and Walker, A. C. (eds.),Prosimian Biology, Duckworth, London, pp. 109–130.
4. Belcher, A. M., Epple, G., Kuderling, I. and Smith, A. B. (1978). The volatile components of scent material from the cotton-top marmoset (Saguinus o. oedipus): A chemical and behavioral study.J. Chem. Ecol. 14: 1367–1384.
5. Clark, A. B. (1975).Olfactory Communication in a Prosimian Primate, Galago crassicaudatus, Unpublished Ph.D. thesis, University of Chicago, Chicago.