1. Morison, J. E. (1970). Foetal and Neonatal Pathology, 3d edn. ( London: Butterworths )
2. Potter, E. L. and Craig, J. M. (1976). Pathology of the Fetus and the Infant. ( Chicago: Year Book Medical Publishers )
3. Wigglesworth, J. S. (1984). Perinatal Pathology. ( Philadelphia: Saunders )
4. Potter, E. L. and Adair, F. L. (1943). Clinical-pathological study of the infant and fetal mortality for a ten-year period at the Chicago Lying-in Hospital. Am. J. Obstet. Gynecol., 45, 1054–65
5. Potter, E. L. and Dieckman, W. J. (1948). Fetal and infant mortality for the Chicago Lying-in Hospital, 1941–46. Am. J. Obstet. Gynecol., 56, 593–7