[Footnote 1: Problematische Kindesnaturen. Eine Studie für Schule und
Haus. Voigtländer, Leipzig, 1889.]
[Footnote 2: Die pädagogische Pathologie in der Erziehungskunde des 19
Jahrhunderts. Bertelsman, Gütersloh, 1893, p. 494.]
[Footnote 3: Peculiar and Exceptional Children. Pedagogical Seminary,
October, 1896, vol. 4, pp. 3-60.]
[Footnote 4: La Puberté. Schleicher Frères, Paris, 1902, p. 72.]
[Footnote 5: Home and School Punishments. Pedagogical Seminary, March, 1899, vol. 6, pp. 159-187.]
[Footnote 6: A Study of the Faults of Children. Pedagogical Seminary,
June, 1903, vol. 10, p. 200 et seq.]
[Footnote 7: The Child and the Weather, by Edwin G. Dexter.
Pedagogical Seminary, April, 1898, vol. 5, pp. 512-522.]
[Footnote 8: Psychic Effects of the Weather, by J.S. Lemon. American
Journal of Psychology, January, 1894, vol. 6, pp. 277-279.]
[Footnote 9: Truancy as Related to the Migrating Instinct, by L.W.
Kline. Pedagogical Seminary, January, 1898, vol. 5, pp. 381-420.]
[Footnote 10: Children's Lies. American Journal of Psychology,
January, 1890, vol. 3, pp. 59-70.]