Columbia subject headings:
Harvard subject headings:
Martin-Luther-Universität Halle-Wittenberg--History.
Mathematics--Study and teaching (Higher)--Germany--Halle an der Saale--History.
Physics--Study and teaching (Higher)--Germany--Halle an der Saale--History.
Princeton subject headings:
Martin-Luther-Universität Halle-Wittenberg--History--20th century.
Mathematics--Germany--Halle an der Saale--History--20th century.
Science--Germany--Halle an der Saale--History--20th century.
Universität Halle-Wittenberg--History--20th century.