Columbia subject headings:
Harvard subject headings:
Europe--Military policy
Germany--Military policy
Military railroads--History.
Railroads--Europe--History.
Railroads--Germany--History
Railroads--United States--History
United States--Military policy
World War, 1914-1918--Transportation
Princeton subject headings:
Military railroads--Europe--History.
Military railroads--Germany--Prussia--History.
Military railroads--United States--History.
Railroads--Europe--History--19th century.
Railroads--Germany--History--19th century.
Railroads--Germany--History--20th century.
Railroads--United States--History--19th century.
World War, 1914-1918--Transportation--Germany.