Columbia subject headings:
Harvard subject headings:
Adorno, Theodor W., 1903-1969--Contributions in education.
Critical theory
Education--Philosophy
Fromm, Erich, 1900-1980--Contributions in education.
Horkheimer, Max, 1895-1973--Contributions in education.
Marcuse, Herbert, 1898-1979--Contributions in education.
Princeton subject headings:
Criticism (Philosophy)
Frankfurt school of sociology.