Columbia subject headings:
Harvard subject headings:
Physicians--Europe--Portraits--Exhibitions.
Physicians--Portraits--Exhibitions.
Portrait prints--Exhibitions.
Porträtarchiv Diepenbroick.
Princeton subject headings:
Physicians--Europe--Portraits--Exhibitions.
Physicians--Portraits--Exhibitions.
Portrait prints--Exhibitions.
Porträtarchiv Diepenbroick.