More, Mrs. Louise Bolard. Wage Earners’ Budgets: a study of standards and cost of living in New York City. New York, 1907.
Morgan, Lewis H. Ancient Society, or Researches in the Lines of Human Progress from Savagery through Barbarianism to Civilization. New York, 1878.
Ostrogorski, M. The Rights of Women: a comparative study in history and legislation; tr. under the author’s supervision. London, 1893.
Patten, Simon Nelson. The New Basis of Civilization. New York, London, 1907.
Paulsen, Friedrich. German Universities, Character and Historical Development; tr. by Frank Thilly and William W. Elwang. New York, 1906.
Pearson, Charles Henry. “The Decline of the Family.” In his National Life and Character; A Forecast, Chap. v. London, 1893.
Ploss, Herman Heinrich. Das Weib in Der Natur-und-völker-kunde: anthropologische studien. Lpz. 1905, 2 v.
Riis, Jacob August. The Peril and the Preservation of the Home. Philadelphia, 1903.
Rowntree, B. Poverty: A study of town life. Ed. 3. London, 1902.
Russell, Bertrand Arthur William. German Social Democracy: with an appendix on social democracy and the woman question in Germany by Alys Russell. London, 1896.