Columbia subject headings:
Cochran, Thomas C. (Thomas Childs), 1902-1999.
United States--Commerce--History.
United States--Social conditions.
Harvard subject headings:
Cochran, Thomas C. (Thomas Childs), 1902-1999.
United States--Commerce--History.
United States--Social conditions.
Princeton subject headings:
Cochran, Thomas C. (Thomas Childs), 1902-1999.
United States--Commerce--History.
United States--Social conditions.