1. Investigations into the action of certain hormones and other substances on the melanophores of the South African clawed toad, Xenopus laevis;Burgers;Ph.D. dissertation,1956
2. Drugs acting at synaptic and neuroeffector junctional sites;Koelle,1966
3. Effect of phenoxybenzamine on neural and humoral control of sweat glands;Lloyd,1968
4. The Biology of the Amphibia;Noble,1931
5. Central nervous system stimulants (continued)—II. The xanthines;Ritchie,1966