Columbia subject headings:
Animal welfare--Law and legislation--Congresses.
Animal welfare--Law and legislation--Great Britain--Congresses.
Domestic animals--Law and legislation--Congresses.
Domestic animals--Law and legislation--Great Britain--Congresses.
Harvard subject headings:
Animal welfare--Law and legislation--Congresses.
Animal welfare--Law and legislation--Great Britain--Congresses.
Domestic animals--Law and legislation--Congresses.
Domestic animals--Law and legislation--Great Britain--Congresses.
Princeton subject headings:
Animal welfare--Law and legislation--Congresses.
Animal welfare--Law and legislation--Great Britain--Congresses.
Domestic animals--Law and legislation--Congresses.
Domestic animals--Law and legislation--Great Britain--Congresses.