Columbia subject headings:
Medicine--Germany--History--19th century.
Medicine--Germany--Prussia--History--19th century.
Physicians--Germany--Prussia.
Physicians--Germany.
Harvard subject headings:
Medicine--Germany--History--19th century.
Medicine--Germany--Prussia--History--19th century.
Physicians--Germany--Prussia.
Physicians--Germany.
Princeton subject headings:
Medicine--Germany--History--19th century.
Medicine--Germany--Prussia--History--19th century.