Columbia subject headings:
Harvard subject headings:
Behmann, Heinrich.
Cantor, Georg, 1845-1918.
Husserl, Edmund, 1859-1938
Logic, Modern--20th century.
Logic--Germany--History--20th century.
Philosophy, German--20th century.
Stammler, Gerhard, 1898-1977.
Uphues, Karl Goswin, 1841-1916.
Ziehen, Th. (Theodor), 1862-1950.
Princeton subject headings:
Behmann, Heinrich, 1891-1970.
Cantor, Georg, 1845-1918.
Husserl, Edmund, 1859-1938.
Logic--Germany--History--20th century.
Logicians--Germany.
Philosophers--Germany.
Philosophy--Germany--History--20th century.
Stammler, Gerhard, 1898-
Uphues, Goswin, 1841-1916.
Ziehen, Th. (Theodor), 1862-1950.