(5) Hoch, A. "On Some of the Mental Mechanisms in Dementia Praecox," _Journal of Abnormal Psychology_, V (1910), 255-73. [A study of the isolated person.] (6) Bohannon, E. W. "Only Child," _Pedagogical Seminary_, V (1897-98), 475-96. (7) Brill, A. A. _Psychanalysis._ Its theories and practical application. "The Only or Favorite Child in Adult Life," pp. 253-65. 2d rev. ed. Philadelphia and London, 1914. (8) Neter, Eugen. _Das einzige Kind und seine Erziehung._ Ein ernstes Mahnwort an Eltern und Erzieher. München, 1914. (9) Whiteley, Opal S. _The Story of Opal._ Boston, 1920. (10) Delbrück, A. _Die pathologische Lüge und die psychisch abnormen Schwindler._ Stuttgart, 1891. (11) Healy, Wm. _Pathological Lying._ Boston, 1915. (12) Dostoévsky, F. _The House of the Dead; or, Prison Life in Siberia._ Translated from the Russian by Constance Garnett. New York, 1915. (13) Griffiths, Arthur. _Secrets of the Prison House, or Gaol Studies and Sketches._ I, 262-80. London, 1894. (14) Kingsley, Charles. _The Hermits._ London and New York, 1871. (15) Baring-Gould, S. _Lives of Saints._ 16 vols. Rev. ed. Edinburgh, 1916. [See references in index to hermits.] (16) Solenberger, Alice W. _One Thousand Homeless Men._ A study of original records. Russell Sage Foundation. New York, 1911. II. TYPES OF ISOLATION AND TYPES OF SOCIAL GROUPS (1) Fishberg, Maurice. _The Jews._ A study of race and environment. London and New York, 1911. (2) Gummere, Amelia M. _The Quaker._ A study in costume. Philadelphia, 1901. (3) Webster, Hutton. _Primitive Secret Societies._ A study in early politics and religion. New York, 1908. (4) Heckethorn, C. W. _The Secret Societies of all Ages and Countries._ A comprehensive account of upwards of one hundred and sixty secret organizations--religious, political, and social--from the most remote ages down to the present time. 2 vols. New ed., rev. and enl. London, 1897. (5) Fosbroke, Thomas D. _British Monachism, or Manners and Customs of the Monks and Nuns of England._ London, 1817. (6) Wishart, Alfred W. _A Short History of Monks and Monasteries._ Trenton, N.J., 1900. [Chap. i, pp. 17-70, gives an account of the monk as a type of human nature.] III. GEOGRAPHICAL ISOLATION AND CULTURAL AREAS (1) Ratzel, Friedrich. _Politische Geographie; oder, Die Geographie der Staaten, des Verkehres und des Krieges._ 2d. ed. München, 1903. (2) Semple, Ellen. _Influences of Geographic Environment, on the Basis of Ratzel's System of Anthropogeography._ Chap. xiii, "Island Peoples," pp. 409-72. New York, 1911. [Bibliography.] (3) Brunhes, Jean. _Human Geography._ An attempt at a positive classification, principles, and examples. 2d ed. Translated from the French by T. C. LeCompte. Chicago, 1920. [See especially chaps. vi, vii, and viii, pp. 415-569.] (4) Vallaux, Camille. _La Mer._ (Géographie Sociale.) Populations maritimes, migrations, pêches, commerce, domination de la mer, Chap. iii, "Les isles et l'insularité." Paris, 1908.