Columbia subject headings:
Harvard subject headings:
Medicine--Germany--Bonn--History--19th century.
Natural history--Germany--Bonn--History--19th century.
Romanticism--Germany--Bonn--History--19th century.
Princeton subject headings:
Medical colleges--Germany--Bonn--History--19th century.
Medicine--Germany--Bonn--History--19th century.
Universität Bonn. Medizinische Fakultät--History--19th century.
Universität Bonn. Medizinische Fakultät--History--Bibliography.