The color-shading response and suicide.

[1]  J. Piaget Will and action. , 1962, Bulletin of the Menninger Clinic.

[2]  E. Shneidman,et al.  “CLUES TO SUICIDE.” , 1956, Public health reports.

[3]  S. Freud The Standard Edition of the Complete Psychological Works of Sigmund Freud , 1953 .

[4]  Karl A. Menninger,et al.  MAN AGAINST HIMSELF , 1938 .

[5]  L. Dublin,et al.  To be or not to be : a study of suicide , 1933 .