Columbia subject headings:
Harvard subject headings:
Diseases--Austria--History--Congresses.
Diseases--Germany--History--Congresses.
Diseases--Switzerland--History--Congresses.
Medicine--Austria--History--Congresses.
Medicine--Germany--History--Congresses.
Medicine--Switzerland--History--Congresses.
Princeton subject headings:
Diseases and literature--Congresses.
Diseases--Austria--History--Congresses.
Diseases--Germany--History--Congresses.
Diseases--Switzerland--History--Congresses.
German literature--History and criticism--Congresses.
Medicine in literature--Congresses.
Medicine--Austria--History--Congresses.
Medicine--Germany--History--Congresses.
Medicine--Switzerland--History--Congresses.