1. Biochemical and Biological Evidence of the Activity of High Potencies;Boyd;Brit. Hom. J.,1954
2. The Infinitely Small—A Physiologist's Reflections;Burridge;Brit. Hom. J.,1952
3. A Review of Investigations into the Action of Substances in Dilutions Greater than 1×10−24 (microdilutions);Stephenson;Journal of American Institute of Homoeopathy,1955