Columbia subject headings:
Algebra--Congresses.
Geometry--Congresses.
Mathematical analysis--Congresses.
Number theory--Congresses.
Harvard subject headings:
Algebra--Congresses
Geometry--Congresses
Mathematical analysis--Congresses.
Number theory--Congresses
Princeton subject headings:
Algebra--Congresses.
Geometry--Congresses.
Mathematical analysis--Congresses.
Number theory--Congresses.