World's Best Science Fiction: 1969
From Author Wars - https://authorwars.com/books/worlds-best-science-fiction-1969-1434847.html
Editions/Publications:
- 1971 . Son of the WSFA Journal #21 (1971, yngvi, Washington Science Fiction Association, $0.20, 10 pages, Pamphlet, FANZINE)
- 1971 . Son of the WSFA Journal #21 (1971, Donald A. Wollheim, Washington Science Fiction Association, $0.20, 10 pages, Pamphlet, FANZINE)
- 1971 . Son of the WSFA Journal #21 (1971, Terry Carr, Washington Science Fiction Association, $0.20, 10 pages, Pamphlet, FANZINE)