1. and 1952 Marshall's Physiology Of Reproduction. Ed. Longmans, Green and Co. Ltd., New York. II. Chap. 14, 1-126.
2. 1956 Marshall's Physiology Of Reproduction. Ed. Longmans, Green and Co. Ltd., New York. I/1 Chap. 1, 387-542.
3. 1935 The oestrous cycle and intersexuality in the female mole (Talpa europaea). Proc. Zool. Soc., London, 347-383.