Columbia subject headings:
Harvard subject headings:
Mathematics--Study and teaching (Higher)--Germany--Jena--History--19th century.
Physics--Study and teaching (Higher)--Germany--Jena--History--19th century.
Universität Jena--History--19th century.
Princeton subject headings:
Mathematics--Study and teaching (Higher)--Germany--Jena--History--19th century.
Physics--Study and teaching (Higher)--Germany--Jena--History--19th century.
Universität Jena--History--19th century.