Smith, G. E. (1973). The Concepts of human evolution; the proceedings of a symposium organized jointly by the Anatomical Society of Great Britain and Ireland and the Zoological Society of London on 9 and 10 November, 1972. Edited by Lord Zuckerman.

Smith, Grafton Elliot. The Concepts of Human Evolution; the Proceedings of a Symposium Organized Jointly by the Anatomical Society of Great Britain and Ireland and the Zoological Society of London on 9 and 10 November, 1972. Edited by Lord Zuckerman. [London] Published for the Zoological Society of London by Academic Press, 1973.

Smith, Grafton Elliot. The Concepts of Human Evolution; the Proceedings of a Symposium Organized Jointly by the Anatomical Society of Great Britain and Ireland and the Zoological Society of London on 9 and 10 November, 1972. Edited by Lord Zuckerman. 1973.