The Correspondence of Sigmund Freud and Sándor Ferenczi, Volume 2: 1914-1919

Ernst Falzeder, a psychologist in Liezen, Austria, has published widely on the history of psychoanalysis.

Eva Brabant is a psychoanalyst and historian in Paris.

Patrizia Giampieri-Deutsch is a psychoanalyst and lecturer in philosophy at the University of Vienna.

Peter T. Hoffer is Professor of German at the University of the Sciences in Philadelphia.

Axel Hoffer, M.D., a practicing psychoanalyst in the Boston area, is on the faculty of Harvard Medical School and the Psychoanalytic Institute of New England (PINE).