Columbia subject headings:
German newspapers--History--20th century--Congresses.
German periodicals--History--20th century--Congresses.
Illustrated periodicals--Germany--History--20th century--Congresses.
Photojournalism--Germany--History--20th century--Congresses.
Harvard subject headings:
Germany--Politics and government--1918-1933--Congresses.
Journalism, Pictorial--Germany--History--20th century--Congresses.
Magazine illustration--Germany--History--20th century--Congresses.
Photojournalism--Germany--History--20th century--Congresses.
Press and politics--Germany--History--20th century--Congresses.
Princeton subject headings:
German newspapers--History--20th century--Congresses.
German periodicals--History--20th century--Congresses.
Illustrated periodicals--Germany--History--20th century--Congresses.
Photojournalism--Germany--History--20th century--Congresses.