1. The Evolutionary Ecology of Animal Migration;Baker,1978
2. Bearder S. K. (1969) Territorial and intergroup behaviour of the lesser bushbaby, Galago senegalensis moholi (A. Smith), in semi-natural conditions and in the field. M.Sc. dissertation, Witwatersrand University.
3. Ecology of bushbabies, Galago senegalensis and Galago crassicaudatus, with some notes on their behaviour in the field;Bearder,1974
4. Field and laboratory studies of social organization in bushbabies (Galago senegalensis);Bearder;J. Hum. Evol.,1974
5. Ecologie et vie sociale de Galago demidovii (Fischer 1808; Prosimii);Charles-Dominique;Z. Tierpsychol., Bieheft,1972