Ernest Jones schreibt an Frieda Gross: "[...] You think it is better for me not to see Otto & of course I will accept your judegement, butif I call at the Mandlstraße can it be avoided? [...]"

Robinson, Ken: A Portrait of the Psychoanalyst as a Bohemian, in: Bachhiesl, Christian et al. (Eds.): Psychoanalyse & Kriminologie. Hans & Otto Gross. Libido und Macht. 8. Internationaler Otto Gross Kongress, Graz, 14. bis 16. Oktober 2011, S. 452