Columbia subject headings:
Gay men--Germany--Congresses.
Homosexuality--Islamic countries--Congresses.
Homosexuality--Religious aspects--Islam--Congresses.
Muslims--Germany--Congresses.
Harvard subject headings:
Gay men--Islamic countries--Sexual behavior--Congresses.
Male homosexuality--Islamic countries--Congresses.
Muslims--Germany--Congresses.
Sex--Religious aspects--Islam--Congresses.
Princeton subject headings:
Gay men--Germany--Congresses.
Homosexuality--Islamic countries--Congresses.
Homosexuality--Religious aspects--Islam--Congresses.
Muslims--Germany--Congresses.