Columbia subject headings:
Jews--Austria--Vienna--Correspondence.
Oppenheim, D. E. (David Ernst), 1881-1943--Correspondence.
Psychoanalysts--Austria--Vienna--Correspondence.
Harvard subject headings:
Jews--Austria--Vienna--Correspondence.
Oppenheim, D. E. (David Ernst), 1881-1943--Correspondence.
Psychoanalysts--Austria--Vienna--Correspondence.
Princeton subject headings:
Jews--Austria--Vienna--Correspondence.
Oppenheim, D. E. (David Ernst), 1881-1943--Correspondence.
Psychoanalysts--Austria--Correspondence.