Columbia subject headings:
Frege, Gottlob, 1848-1925.
Harvard subject headings:
Frege, Gottlob, 1848-1925.
Philosophers--Germany--Biography
Princeton subject headings:
College teachers--Germany--Jena--Biography.
Frege, Gottlob, 1848-1925.
Philosophers--Germany--19th century--Biography.
Philosophers--Germany--20th century--Biography.