(5) Thwing, Charles F. and Carrie F. B. The Family. A historical and social study. Boston, 1887.
(6) Goodsell, Willystine. A History of the Family as a Social and Educational Institution. New York, 1915.
(7) Dealey, J. Q. The Family in Its Sociological Aspects. Boston, 1912.
(8) Calhoun, Arthur W. A Social History of the American Family from Colonial Times to the Present. 3 vols. Cleveland, 1917-19. [Bibliography.]
(9) Thomas, W. I., and Znaniecki, F. The Polish Peasant in Europe and America. "Primary-Group Organization," I, 87-524, II. Boston, 1918. [A study based on correspondence between members of the family in America and Poland.]
(10) Du Bois, W. E. B. The Negro American Family. Atlanta, 1908. [Bibliography.]
(11) Williams, James M. "Outline of a Theory of Social Motives," American Journal of Sociology, XV (1909-10), 741-80. [Theory of motives based upon observation of rural and urban families.]
2. Materials for the Study of Family Disorganization:
(1) Willcox, Walter F. The Divorce Problem. A study in statistics. ("Columbia University Studies in History, Economics and Public Law," Vol. I. New York, 1891.)
(2) Lichtenberger, J. P. Divorce. A study in social causation. New York, 1909.