Columbia subject headings:
Harvard subject headings:
Federn, Ernst--Correspondence.
Holocaust survivors--Austria--Correspondence.
Holocaust, Jewish (1939-1945)--Psychological aspects
Jews--Austria--Correspondence.
Paul, Vater--Correspondence.
Psychoanalysis--History
Psychoanalysts--Austria--Correspondence
World War, 1939-1945--Concentration camps
Princeton subject headings:
Federn, Ernst--Correspondence.
Holocaust survivors--Austria--Correspondence.
Holocaust, Jewish (1939-1945)--Psychological aspects.
Jews--Austria--Correspondence.
Paul, Vater--Correspondence.
Psychoanalysis--History.
Psychoanalysts--Austria--Correspondence.
World War, 1939-1945--Concentration camps.