Columbia subject headings:
Harvard subject headings:
Mathematicians--Germany--Berlin--Biography.
Mathematics--Germany--Berlin--History.
Mathematics--Study and teaching--Germany--Berlin.
Princeton subject headings:
Mathematicians--Germany--Berlin--Biography.
Mathematicians--Germany--Berlin--History.
Mathematics--Germany--Berlin--History.
Mathematics--Germany--Berlin--Societies, etc.--History.
Mathematics--Study and teaching--Germany--Berlin--History.