Columbia subject headings:
Harvard subject headings:
Depressions--1929--United States--Bibliography.
New Deal, 1933-1939--Bibliography.
United States--History--1919-1933--Bibliography.
United States--History--1933-1945--Bibliography.
Princeton subject headings:
Depressions--1929--United States--Bibliography.
New Deal, 1933-1939--Bibliography.
United States--History--1919-1933--Bibliography.
United States--History--1933-1945--Bibliography.