Columbia subject headings:
Harvard subject headings:
Homosexuality--Germany--Hamburg.
Older gay men--Germany--Hamburg.
Older men--Germany--Hamburg.
Older men--Social aspects--Germany--Hamburg.
Sex discrimination against men--Germany--Hamburg.
Princeton subject headings:
Homosexuality--Germany--Hamburg.
Older gay men--Germany--Hamburg.
Older men--Germany--Hamburg.
Older men--Social aspects--Germany--Hamburg.
Sex discrimination against men--Germany--Hamburg.