The Cave Research Group of Great Britain, Soft Back, 44 pages, January 1968.

-Pleistocene Bone Caves with Special reference to the Mendips, Somerset.
-Features of Cavern Development in Central Mendip.
- Report of the Leeds University P. E. Department expedition to some Caves in the Djurdjura Mountains, Algeria, July 1966.
- Some examples from the South Harz Region of Cavern Formation in Gypsum.