Columbia subject headings:
Gays--Identity.
Homosexuality--Philosophy.
Lesbianism--Philosophy.
Lesbians--Identity.
Harvard subject headings:
Gays--Identity
Homosexuality--Philosophy
Lesbianism--Philosophy.
Lesbians--Identity
Princeton subject headings:
Gays--Identity.
Homosexuality--Philosophy.
Lesbianism--Philosophy.
Lesbians--Identity.