1. and 1983 Reproductive Biology of Invertebrates. New York: John Wiley & Sons.
2. 1974 Comparative aspects of the ultrastructure of the female gamete. In and (eds): Aspects of Nuclear Structure and Function. New York: Academic Press, pp. 1-70.
3. 1980 Invertebrate Zoology. New York: Saunders Co., pp. 1-1089.
4. and 1983 Cnidaria. In and (eds): Reproductive Biology of Invertebrates, Vol. I. Oogenesis, Oviposition and Oosorption. New York: John Wiley & Sons, pp. 31-66.
5. Studies of oogenesis in the rotifer, Asplanchna