Columbia subject headings:
Industries--United States.
National survey of potential product capacity.
United States--Economic conditions--1918-1945.
United States--Social conditions.
Harvard subject headings:
Industries--United States
National survey of potential product capacity.
United States--Economic conditions--1918-1945.
United States--Social conditions.
Princeton subject headings:
Industries--United States.
National survey of potential product capacity.
United States--Economic conditions--1918-1945.
United States--Social conditions.