Columbia subject headings:
Algebraic number theory--Congresses.
Galois theory--Congresses.
Geometry, Algebraic--Congresses.
Harvard subject headings:
Algebraic number theory--Congresses.
Galois theory--Congresses.
Geometry, Algebraic--Congresses.
Princeton subject headings:
Algebraic number theory--Congresses.
Galois theory--Congresses.
Geometry, Algebraic--Congresses.