Columbia subject headings:
Health officers.
Physicians.
Harvard subject headings:
Medical policy--Europe--History--Congresses.
Medicine--Europe--History--Congresses.
Middle Ages--Congresses
Physicians--Europe--History--Congresses.
Princeton subject headings:
Medical policy--Europe--History--Congresses.
Middle Ages--History--Congresses.
Physicians--Europe--Selection and appointment--History--Congresses.