Columbia subject headings:
Galaxies--Formation--Congresses.
Red shift--Congresses.
Spinrad, Hyron, 1934-
Harvard subject headings:
Galaxies--Formation--Congresses
Red shift--Congresses.
Spinrad, Hyron.
Princeton subject headings:
Galaxies--Evolution--Congresses.
Galaxies--Formation--Congresses.
Red shift--Congresses.