1. (1961) Development of the branchial region of human embryos with special reference to the fate of the epithelia. In: Congenital anomalies of the Face and Associated Structures (ed.) C.C Thomas, Springfield, Ill. pp. 46-62.
2. Vestigial gill-filaments in chick embryos with a note on similar structures in reptiles
3. (1978) Developmental Biology: Embryos, Plants, and Regeneration. Harper and Row, New York.
4. and (1977) Developmental fate of the somitic mesoderm in the chick embryo. In: Vertebrate Limb and Somite Morphogenesis ( and eds.) Cambridge University Press, Cambridge, U.K. pp. 421-432.
5. Experimental analysis of the origin of the wing musculature in avian embryos