Dauben 2004, p. 1. Text includes a 1964 quote from psychiatrist Karl Pollitt, one of Cantor's examining physicians at Halle Nervenklinik, referring to Cantor's mental illness as "cyclic manic-depression". Dauben, Joseph (1993), "Georg Cantor and the Battle for Transfinite Set Theory", Proceedings of the 9th ACMS Conference (Westmont College, Santa Barbara, CA), pp. 1–22, archived from the original on 2015-01-08, retrieved 2013-05-01. Internet version published in Journal of the ACMS 2004.
Dauben 2004, p. 1. Text includes a 1964 quote from psychiatrist Karl Pollitt, one of Cantor's examining physicians at Halle Nervenklinik, referring to Cantor's mental illness as "cyclic manic-depression". Dauben, Joseph (1993), "Georg Cantor and the Battle for Transfinite Set Theory", Proceedings of the 9th ACMS Conference (Westmont College, Santa Barbara, CA), pp. 1–22, archived from the original on 2015-01-08, retrieved 2013-05-01. Internet version published in Journal of the ACMS 2004.