Columbia subject headings:
Civilization--Philosophy.
Language and languages--Philosophy.
Philosophy, Ancient.
Philosophy--Introductions.
Science--Philosophy.
Harvard subject headings:
Civilization--Philosophy
Language and languages--Philosophy
Philosophy, Ancient
Philosophy--Introductions
Science--Philosophy
Princeton subject headings:
Civilization--Philosophy.
Language and languages--Philosophy.
Philosophy, Ancient.
Philosophy--Introductions.
Science--Philosophy.