(3) Westermarck, E. A. The Origin and Development of the Moral Ideas. London and New York, 1908.

(4) Ratzel, F. History of Mankind. Translated by A. J. Butler. London and New York, 1898.

(5) Vierkandt, A. Naturvölker und Kulturvölker. Leipzig, 1896.

(6) Lippert, Julius. Kulturgeschichte der Menschheit in ihrem organischem Aufbau. Stuttgart, 1886-87.

(7) Frazer, J. G. The Golden Bough. A study in magic and religion. 3d ed., 12 vols. (Volume XII is a bibliography of the preceding volumes.) London and New York, 1907-15.

(8) Dewey, John, and Tufts, James H. Ethics. New York, 1908.

2. Studies of Traits of Individual Peoples:

(1) Fouillée, A. Psychologie du peuple français. Paris, 1898.

(2) Rhŷs, J., and Brynmor-Jones, D. The Welsh People. London, 1900.

(3) Fishberg, M. The Jews. A study of race and environment. London and New York, 1911.