Columbia subject headings:
United States--Economic conditions--1918-1945.
United States--Economic policy.
United States--Foreign relations--1933-1945.
United States--Social conditions.
Harvard subject headings:
United States--Economic conditions--1918-1945.
United States--Economic policy.
United States--Foreign relations--1933-1945.
United States--Social conditions.
Princeton subject headings:
United States--Economic conditions--1918-1945.
United States--Economic policy--1933-1945.
United States--Foreign relations--1933-1945.
United States--Social conditions--1933-1945.