Columbia subject headings:
Europe--Politics and government--1918-1945--Foreign public opinion--Congresses.
German periodicals--History--20th century--Congresses.
Press and politics--Germany--History--20th century--Congresses.
Harvard subject headings:
Europe--Politics and government--1918-1945--Foreign public opinon--Congresses.
Europe--Relations--Germany--Congresses.
German periodicals--History--20th century--Congresses.
Germany--Relations--Europe--Congresses.
Press and politics--Germany--History--20th century--Congresses.
Princeton subject headings:
Europe--Politics and government--1918-1945--Foreign public opinon--Congresses.
Europe--Relations--Germany--Congresses.
German periodicals--History--20th century--Congresses.
Germany--Relations--Europe--Congresses.
Press and politics--Germany--History--20th century--Congresses.