Ultee, W. C., Tubergen, F. v., & Luijkx, R. (2001). The unwholesome theme of suicide: Forgotten statistics of attempted suicides in Amsterdam and jewish suicides in the Netherlands for 1936-1943. Dutch Jews as perceived by themselves and by others.

Ultee, Wout C., Frank van Tubergen, and Ruud Luijkx. "The Unwholesome Theme of Suicide: Forgotten Statistics of Attempted Suicides in Amsterdam and Jewish Suicides in the Netherlands for 1936-1943." Dutch Jews as Perceived by Themselves and by Others 2001.

Ultee, Wout C., et al. "The Unwholesome Theme of Suicide: Forgotten Statistics of Attempted Suicides in Amsterdam and Jewish Suicides in the Netherlands for 1936-1943." Dutch Jews as Perceived by Themselves and by Others, 2001.