Columbia subject headings:
Harvard subject headings:
Cats--Infertility--Congresses.
Cats--Reproduction--Congresses.
Dogs--Infertility--Congresses.
Dogs--Reproduction--Congresses.
Princeton subject headings:
Cats--Artificial insemination--Congresses.
Cats--Reproduction--Congresses.
Dogs--Artificial insemination--Congresses.
Dogs--Reproduction--Congresses.