[291] Kehrer, F.: Die Psychosen des Um- und Rückbildungsalters. Zentralblatt für die gesamte Neurologie und Psychiatrie, April 1, 1921.

[292] Meyer, Adolf: Insanity: General Pathology. Reference Handbook of the Medical Sciences. 1909.

[293] Meyer, Adolf: Insanity: General Pathology. Reference Handbook of the Medical Sciences. 1909.

[294] Kraepelin, E.: Psychiatrie. Eighth edition, Vol. 3, 1913.

[295] Bleuler, E.: Lehrbuch der Psychiatrie. Second edition, 1918.

[296] Ibid.

[297] Hoch, August: Review of Bleuler's "Schizophrenia." New York State Hospitals Bulletin, August 15, 1912.

[298] Bleuler, E.: Lehrbuch der Psychiatrie. Second edition, 1918.

[299] Hoch, August: Review of Bleuler's "Schizophrenia." New York State Hospitals Bulletin, August 15, 1912.

[300] Bleuler, E.: Lehrbuch der Psychiatrie. Second edition, 1918.