Columbia subject headings:
Labor unions--Organizing--United States--History.
Metal-workers' Strike, U.S., 1935--History.
Harvard subject headings:
Labor unions--Organizing--United States--History.
Metal-workers' Strike, U.S., 1935--History.
Union busting--United States.
Princeton subject headings:
Labor unions--Organizing--United States--History.
Metal-workers' Strike, U.S., 1935--History.