John Campbell: The Man & the Award

From Author Wars - https://authorwars.com/books/john-campbell-the-man--the-award-1596761.html

Overview:

Title: John Campbell: The Man & the Award
Author: Harry Harrison
Year: 1978
Type: Essays

Editions/Publications:

Unknown. The Diversifier, #25 March 1978 (Unknown, Harry Harrison, C. C. Clingan, $2.50, 76 pages, octavo, FANZINE)