Columbia subject headings:
Analysis (Philosophy)--History.
Bolzano, Bernard, 1781-1848.
Carnap, Rudolf, 1891-1970.
Frege, Gottlob, 1848-1925.
Kant, Immanuel, 1724-1804.
Harvard subject headings:
Analysis (Philosophy)--History.
Bolzano, Bernard, 1781-1848
Carnap, Rudolf, 1891-1970
Frege, Gottlob, 1848-1925.
Kant, Immanuel, 1724-1804
Princeton subject headings:
Logic, Modern--History.