Columbia subject headings:
United States--Politics and government--Periodicals.
World War, 1914-1918--Periodicals.
Harvard subject headings:
United States--Politics and government--Periodicals.
World War, 1914-1918--Periodicals
Princeton subject headings:
Periodicals.
United States--Politics and government--Periodicals.
World War, 1914-1918--Periodicals.