Columbia subject headings:
Automobile industry workers--Labor unions--United States--History.
International Union, United Automobile, Aerospace, and Agricultural Implement Workers of America--History.
Labor unions and communism--United States--History.
Labor unions--Automobile industry workers--United States--History.
Lawyers--Michigan--Detroit--Biography.
Sugar, Maurice, 1891-1974.
Harvard subject headings:
Automobile industry workers--Labor unions--United States--History.
International Union, United Automobile, Aerospace, and Agricultural Implement Workers of America--History.
Labor unions and communism--United States--History.
Lawyers--Michigan--Detroit--Biography.
Sugar, Maurice, 1891-1974.
Princeton subject headings:
Automobile industry workers--Labor unions--United States--History.
International Union, United Automobile, Aerospace, and Agricultural Implement Workers of America--History.
Labor unions and communism--United States--History.
Lawyers--Michigan--Detroit--Biography.
Sugar, Maurice, 1891-1974.