Columbia subject headings:
Harvard subject headings:
Mathematics--History.
Mathematics--Study and teaching (Higher)--Germany--Leipzig--History--20th century.
Physics--History.
Physics--Study and teaching (Higher)--Germany--Leipzig--History--20th century.
Universität Leipzig (1409-1953)--History--20th century.
Universität Leipzig--History--20th century.
Princeton subject headings:
Mathematics--Study and teaching (Higher)--Germany--Leipzig--History--20th century.
Physics--Study and teaching (Higher)--Germany--Leipzig--History--20th century.
Universität Leipzig--History--20th century.