Columbia subject headings:
Habermas, Jürgen--Criticism and interpretation.
Heidegger, Martin, 1889-1976--Criticism and interpretation.
Reason.
Subjectivity.
Harvard subject headings:
Habermas, Jürgen
Heidegger, Martin, 1889-1976
Reason.
Subject (Philosophy)
Princeton subject headings:
Habermas, Jürgen.
Heidegger, Martin, 1889-1976.
Reason.
Subject (Philosophy)