1. Papers from the Statistical Department of the Johns Hopkins Hospital (No. 10), and from the Institute for Biological Research of the Johns Hopkins University.
2. Pearl, R., and Bacon, A. L., Biometrical Studies in Pathology. IV. Statistical Characteristics of a Population Composed of Necropsied Persons, Arch. of Path. and Lab. Med., vol. 1, pp. 329–347, 1926. V. The Racial and Age Incidence of Cancer and other Malignant Tumors; Ibid. vol. 3, pp. 963–992, 1927.
3. Meaning persons of pure negro blood, or mixed negro ana white in any proportion.
4. Miner, J. R., œThe Centering Points of Distribution by Age at Death, Amer. Jour. Hyg., Vol. 5, pp. 102–105, 1925.