Columbia subject headings:
Harvard subject headings:
Martin-Luther-Universität Halle-Wittenberg--History--19th century.
Mathematics--Study and teaching (Higher)--Germany--Halle an der Saale--History--19th century.
Physics--Study and teaching (Higher)--Germany--Halle an der Saale--History--19th century.
Princeton subject headings:
Martin-Luther-Universität Halle-Wittenberg--History--19th century.
Mathematics--Study and teaching (Higher)--Germany--Halle an der Saale--History--19th century.
Physics--Study and teaching (Higher)--Germany--Halle an der Saale--History--19th century.