The Omnibus of Science Fiction

From Author Wars - https://authorwars.com/books/the-omnibus-of-science-fiction-3219675.html

Overview:

Title: The Omnibus of Science Fiction
Author: Groff Conklin
Year: 1984
Type: Anthologies

Editions/Publications:

Unknown. The Omnibus of Science Fiction (Unknown, Groff Conklin, Chatham River Press, ISBN-10: 0517453703, $1.98, xiii+561 pages, Trade Paperback, Anthology)