[104] Wagner, Beitragen zur philosophischen Anthropologie; Rauber, pp. 49-55.
[105] "Histoire d'une jeune fille sauvage trouvée dans les bois à l'âge de dix ans," Magazin der Natur, Kunst, und Wissenschaft, Leipzig, 1756, pp. 219-72; Mercure de France, December, 1731; Rudolphi, Grundriss der Physiologie, I, 25; Blumenbach, Beiträge zur Naturgeschichte, II, 38.
[106] Adapted from Helen Keller, The Story of My Life, pp. 22-24. (Doubleday, Page & Co., 1917.)
[107] Adapted from W. H. Hudson, "The Plains of Patagonia," Universal Review, VII (1890), 551-57.
[108] Adapted from C. J. Galpin, Rural Social Centers in Wisconsin, pp. 1-3. (Wisconsin Experiment Station, Bulletin 234, 1913.)
[109] Adapted from W. I. Thomas, "Race Psychology," in the American Journal of Sociology, XVII (1911-12), 744-47.
[110] Adapted from Robert E. Park, "The City: Suggestions for the Investigation of Behavior in the City Environment," in the American Journal of Sociology, XX (1915), 579-83.
[111] Adapted from L. W. Crafts and E. A. Doll, "The Proportion of Mental Defectives among Juvenile Delinquents," in the Journal of Delinquency, II (1917), 123-37.
[112] Adapted from N. S. Shaler, Nature and Man in America, pp. 151-66. (Charles Scribner's Sons, 1900.)
[113] Adapted from George Grote, History of Greece, II, 149-57. (John Murray, 1888.)