1. McCombie, H., and Saunders, B. C., Nature, 158, 382 (1946).
2. McCombie, H., and Saunders, B. C., Reports on Fluoroacetates to Ministry of Supply, Dec. 11, 1942, onwards.
3. McCombie, H., and Saunders, B. C., Report No. 5 on Fluoroacetates to Ministry of Supply (May 30, 1943).
4. American workers, by communication.
5. Saunders, B. C., Ministry of Supply meeting (London, June 1, 1944).