Columbia subject headings:
Harvard subject headings:
Intersexuality--Law and legislation--Congresses.
Intersexuality--Moral and ethical aspects--Congresses.
Intersexuality--Social aspects--Congresses.
Transsexualism--Moral and ethical aspects--Congresses.
Transsexualism--Social aspects--Congresses.
Transsexuals--Legal status, laws, etc.--Congresses.
Princeton subject headings:
Intersexuality.
Transsexualism.