1. The evolutionary history of the corpus luteum;Browning;Biol. Reprod.,1973
2. In vitro steroid synthesis by the ovaries of elasmobranchs and snakes;Callard;Archs Anat. microsc. Morph. exp.,1965
3. Hepatic protein and nucleic acid content in Dipsosaurus dorsalis following hypophysectomy and treatment with estradiol-17β and growth hormone;Callard;Comp. Biochem. Physiol.,1972
4. Hormones and reproduction in the female lizard Sceloporus cyanogenys;Callard;Gen. comp. Endocr.,1972
5. The control of the reptilian gonad;Callard;Am. Zool.,1972