Columbia subject headings:
Habermas, Jürgen.
Marcuse, Herbert, 1898-1979.
Science--Philosophy--History--20th century.
Science.
Harvard subject headings:
Habermas, Jürgen--Contributions in science.
Marcuse, Herbert, 1898-1979--Contributions in science.
Science--Philosophy--History--20th century
Princeton subject headings:
Habermas, Jürgen.
Marcuse, Herbert, 1898-1979.
Science--Philosophy--History--20th century.