The origins of human social relations: proceedings of a C.A.S.D.S. Study Group on "The origins of human social relations" held jointly with the Ciba Foundation, London, July 1969, being the fifth study group in a C.A.S.D.S. programme on "The origins of human behaviour" / edited by H. R. Schaffer.
- C.A.S.D.S. Study Group on the Origins of Human Social Relations (1969 : London, England)