Columbia subject headings:
United States--Defenses.
United States. Congress. Senate. Special Committee Investigating the National Defense Program.
World War, 1939-1945--Economic aspects--United States.
Harvard subject headings:
United States--Defenses.
United States. Congress. Senate. Special Committee Investigating the National Defense Program.
World War, 1939-1945--Economic aspects--United States.
Princeton subject headings:
United States--Defenses.
United States. Congress. Senate. Special Committee Investigating the National Defense Program
World War, 1939-1945--Economic aspects--United States.