Columbia subject headings:
Harvard subject headings:
Ferenczi, Sándor, 1873-1933--Correspondence.
Freud, Sigmund, 1856-1939--Correspondence.
Psychoanalysis
Psychoanalysts--Correspondence
Princeton subject headings:
Ferenczi, Sándor, 1873-1933--Correspondence.
Freud, Sigmund, 1856-1939--Correspondence.
Psychoanalysis.
Psychoanalysts--Correspondence.