Columbia subject headings:
International Union, United Automobile, Aerospace, and Agricultural Implement Workers of America--History.
Labor unions and communism--United States--History--Case studies.
Harvard subject headings:
International Union, United Automobile, Aerospace, and Agricultural Implement Workers of America--History.
Labor unions and communism--United States--History--Case studies.
Princeton subject headings:
International Union, United Automobile, Aerospace, and Agricultural Implement Workers of America--History.
Labor unions and communism--United States--History--Case studies.