Columbia subject headings:
Dyck, Walther von, 1856-1934.
Mathematicians--Germany--Biography.
Technische Universität München--History.
Harvard subject headings:
Dyck, Walther von, 1856-1934.
Technische Universität München--History.
Princeton subject headings:
Dyck, Walther von, 1856-1934.
Mathematicians--Germany--Biography.