Columbia subject headings:
Europe--Politics and government--1871-1918.
Nineteen seventeen, A.D.
World War, 1914-1918--Campaigns.
Harvard subject headings:
Nineteen seventeen, A.D.
World War, 1914-1918
World War, 1914-1918--Campaigns
Princeton subject headings:
Europe--Politics and government--1871-1918.
Nineteen seventeen, A.D.
World War, 1914-1918--Campaigns.