Columbia subject headings:
Harvard subject headings:
Crises--Germany--History--19th century--Periodicals.
Crises--Germany--History--20th century--Periodicals.
Culture conflict--Germany--History--19th century--Periodicals.
Culture conflict--Germany--History--20th century--Periodicals.
Germany--Politics and government--1888-1918--Periodicals.
Periodicals--Political aspects--Germany--History--19th century.
Periodicals--Political aspects--Germany--History--20th century.
Social change--Germany--History--19th century--Periodicals.
Social change--Germany--History--20th century--Periodicals.
Princeton subject headings:
German newspapers--History--20th century--Congresses.
Germany--Politics and government--1888-1918--Congresses.