Columbia subject headings:
Horkheimer, Max, 1895-1973--Bibliography.
Sociology--Germany--Bibliography.
Harvard subject headings:
Frankfurt school of sociology--Bibliography.
Horkheimer, Max, 1895-1973--Bibliography.
Princeton subject headings:
Frankfurt school of sociology--Bibliography.
Horkheimer, Max, 1895-1973--Bibliography.
Sociologists--Germany--Bibliography.