Columbia subject headings:
Harvard subject headings:
Gender identity--Congresses
Homosexuality--Germany--History--20th century--Congresses.
Homosexuality--Research--Congresses.
Queer theory--Congresses.
Sex role--Congresses
Princeton subject headings:
Gender identity--Congresses.
Homosexuality--Germany--History--20th century--Congresses.
Homosexuality--Research--Congresses.
Queer theory--Congresses.
Sex role--Congresses.