Note 766 — Chapter XVIII · PROBLEMS OF MARRIAGE AND THE FAMILY
Reading edition
Willcox, "A Study in Vital Statistics," Pol. Sci. Quart., VIII, 76, 77. Cf. idem, "The Marriage Rate in Michigan," Pub. Am. Stat. Assoc., IV, 7; and Crum, "The Marriage Rate in Massachusetts," ibid., 328, 329.