Columbia subject headings:
Harvard subject headings:
Labor disputes--California--Los Angeles--History--20th century.
Motion picture industry and state--United States--History--20th century.
Motion picture industry--Economic aspects--California--Los Angeles--History--20th century.
Motion picture industry--Political aspects--California--Los Angeles--History--20th century.
Musical films--United States--History and criticism
New Deal, 1933-1939
United States--Politics and government--1933-1945.
United States. National Recovery Administration
Princeton subject headings:
Depressions--1929--California--Los Angeles--History.
Labor disputes--California--Los Angeles--History--20th century.
Motion picture industry and state--United States--History--20th century.
Motion picture industry--Economic aspects--California--Los Angeles--History--20th century.
Motion picture industry--Political aspects--California--Los Angeles--History--20th century.
New Deal, 1933-1939.
United States--Politics and government--1933-1945.
United States. National Recovery Administration