Columbia subject headings:
Capitalism--United States.
Countervailing power--United States.
United States--Economic conditions--1918-1945.
Harvard subject headings:
Capitalism--United States
Countervailing power--United States.
United States--Economic conditions--1918-1945.
Princeton subject headings:
Capitalism--United States.
Countervailing power--United States.
United States--Economic conditions--1918-1945.