Columbia subject headings:
Harvard subject headings:
Diplomats--Sweden--Biography--Congresses.
Holocaust, Jewish (1939-1945)--Hungary--Congresses.
Jews--Hungary--History--20th century--Congresses.
Wallenberg, Raoul, 1912-1947--Congresses.
Princeton subject headings:
Wallenberg, Raoul, 1912-1947--Congresses.