Columbia subject headings:
Logic, Symbolic and mathematical--Congresses.
Mathematical analysis--Congresses.
Mathematics--Study and teaching--Congresses.
Harvard subject headings:
Logic, Symbolic and mathematical--Congresses.
Mathematical analysis--Congresses.
Mathematics--Study and teaching--Congresses
Princeton subject headings:
Logic, Symbolic and mathematical--Congresses.
Mathematical analysis--Congresses.
Mathematics--Study and teaching--Congresses.