Columbia subject headings:
Harvard subject headings:
Analysis (Philosophy)--Congresses.
Frege, Gottlob, 1848-1925--Congresses.
Logic, Symbolic and mathematical--Congresses.
Mathematics--Philosophy--Congresses
Philosophy--Congresses
Princeton subject headings:
Analysis (Philosophy)--Congresses.
Frege, Gottlob, 1848-1925--Congresses.
Logic, Symbolic and mathematical--Congresses.
Mathematics--Philosophy--Congresses.