Clubzine published by the University of Massachusetts at Amherst SF Society. It was published under several titles:

Dates Title
Spr 1967 — May 1969 The Zobee
Nov 1969 — Fall 1970 Grok
Fall 1971 — >1974 Betelgeuse
Issue Date Pages Notes
9 1974 40
10 1974 86

This is a clubzine page. Please extend it by adding information about when and by whom it was published, the club which published it, its contents (including a ToC listing), regular columnists, its impact on fandom, or by adding scans or links to scans.