Columbia subject headings:
Animals as carriers of disease--Europe--Congresses.
Human-animal relationships--Europe--History--Congresses.
Zoonoses--Europe--Epidemiology--History--Congresses.
Harvard subject headings:
Animals as carriers of disease--Europe--Congresses.
Human-animal relationships--Europe--History--Congresses.
Zoonoses--Epidemiology--Europe--History--Congresses.
Princeton subject headings: