(9) Finck, Henry T. Romantic Love and Personal Beauty. Their development, causal relations, historic and national peculiarities. London and New York, 1887.

(10) ——. Primitive Love and Love Stories. New York, 1899.

(11) Kline, L. W. "The Migratory Impulse versus Love of Home," American Journal of Psychology, X (1898-99), 1-81.

(12) Key, Ellen. Love and Marriage. Translated from the Swedish by A. G. Chater; with a critical and biographical introduction by Havelock Ellis. New York and London, 1912.

(13) Meisel-Hess, Grete. The Sexual Crisis. A critique of our sex life. Translated from the German by E. and C. Paul. New York, 1917.

(14) Bloch, Iwan. The Sexual Life of Our Time in Its Relation to Modern Civilization. Translated from the 6th German ed. by M. Eden Paul. Chap. viii, "The Individualization of Love," pp. 159-76. London, 1908.

C. Economics of the Family

(1) Grosse, Ernst. Die Formen der Familie und die Formen der Wirtschaft. Freiburg, 1896.

(2) Le Play, P. G. Frédéric. Les ouvriers européens. Études sur les travaux, la vie domestique, et la condition morale des populations ouvrières de l'Europe. Précédées d'un exposé de la méthode d'observation. Paris, 1855. [Comprises a series of 36 monographs on the budgets of typical families selected from the most diverse industries.]

(3) Le Play, P. G. Frédéric. L'organisation de la famille. Selon le vrai modèle signalé par l'histoire de toutes les races et de tous les temps. Paris, 1871.