Columbia subject headings:
Blacklists, Commercial.
Latin America--Commerce--United States.
United States--Commerce--Latin America.
World War, 1939-1945--Economic aspects--United States.
Harvard subject headings:
Blacklists, Commercial.
Latin America--Commerce--United States.
United States--Commerce--Latin America.
World War, 1939-1945--Economic aspects--United States.
World War, 1939-1945--United States.
Princeton subject headings:
Blacklists, Commercial.
Latin America--Commerce--United States.
United States--Commerce--Latin America.
World War, 1939-1945--Economic aspects--United States.