Columbia subject headings:
Harvard subject headings:
Austria--Emigration and immigration--History--20th century--Congresses.
Germany--Emigration and immigration--History--20th century--Congresses.
Hungary--Emigration and immigration--History--20th century--Congresses.
Psychoanalysis--Austria--History--20th century--Congresses.
Psychoanalysis--Germany--History--20th century--Congresses.
Psychoanalysis--Hungary--History--20th century--Congresses.
Psychoanalysts--Austria--History--20th century--Congresses.
Psychoanalysts--Germany--History--20th century--Congresses.
Psychoanalysts--Hungary--History--20th century--Congresses.
Princeton subject headings:
Austria--Emigration and immigration--History--20th century--Congresses.
Germany--Emigration and immigration--History--20th century--Congresses.
Hungary--Emigration and immigration--History--20th century--Congresses.
Psychoanalysis--Austria--History--20th century--Congresses.
Psychoanalysis--Germany--History--20th century--Congresses.
Psychoanalysis--Hungary--History--20th century--Congresses.