1. 1978. Edicacaran fauna. In: Yearbook of Science and Technology, (ed.). McGraw Hill: New York; 146-149.
2. The Gorilla:
The Natural History of the Gorilla
. A. F. Dixson. Columbia University Press, New York, 1981. xviii, 202 pp., illus., + plates. $19.95.;
Gorilla Behavior
. Terry L. Maple and Michael P. Hoff. Van Nostrand Reinhold, New York, 1981. xii, 290 pp., illus. $32. Van Nostrand Reinhold Primate Behavior and Development Series.
3. 1990. Stromatolites. In Palaeobiology: a Synthesis, (eds). Blackwell Scientific: Oxford; 336-341.
4. Trace fossils from Lower Palaeozoic ocean-floor sediments of the Southern Uplands of Scotland