Columbia subject headings:
German language--20th century--Congresses.
German literature--20th century--History and criticism--Congresses.
Germanic languages--History--20th century--Congresses.
National socialism and literature--Congresses.
Harvard subject headings:
German language--History--20th century--Congresses.
German literature--20th century--History and criticism--Congresses
Germanic languages--History--20th century--Congresses.
National socialism and literature--Congresses.
Princeton subject headings:
German language--History--20th century--Congresses.
German literature--20th century--History and criticism--Congresses.
Germanic languages--History--20th century--Congresses.
National socialism and literature--Congresses.