Possible Worlds of Science Fiction
From Author Wars - https://authorwars.com/publications/possible-worlds-of-science-fiction-26476.html
Overview:
- Title: Possible Worlds of Science Fiction
- Author: Groff Conklin
- Year: 1951
- Publisher: Vanguard Press
- Price: $2.95
- Pages: xi+372
- Binding: Hardcover
- Type: Anthology
- Title Reference: Possible Worlds of Science Fiction
- Notes:
- Published April 1951 per Cole Checklist of SF Anthologies.
- Catalog of Copyright Number A00000054816 puts the publication date at 1951-04-26.
Conklin's widow renewed the copyright on 1979-01-05 per Catalog of Copyright Renewal RE0000013849.