Columbia subject headings:
Harvard subject headings:
Pharmacy--Germany--Mainz (Rhineland-Palatinate)--History--Congresses.
Pharmacy--Study and teaching--Germany--Mainz (Rhineland-Palatinate)--History--Congresses.
Princeton subject headings:
Pharmacy--Germany--Mainz (Rhineland-Palatinate)--History--Congresses.
Pharmacy--Study and teaching (Higher)--Germany--Mainz (Rhineland-Palatinate)--Congresses.