Columbia subject headings:
Harvard subject headings:
United States--Economic conditions--1918-1945--Periodicals.
United States--Economic conditions--1945---Periodicals.
West (U.S.)--Economic conditions--Periodicals.
Princeton subject headings:
Periodicals.
United States--Economic conditions--1918-1945--Periodicals.
United States--Economic conditions--1945---Periodicals.
West (U.S.)--Economic conditions--Periodicals.