They Also Serve
From Author Wars - https://authorwars.com/books/they-also-serve-874760.html
Editions/Publications:
- Unknown. Analog Science Fact -> Fiction, September 1961 (Unknown, Douglas, Street & Smith Publications, Inc., $0.50, 180 pages, digest, MAGAZINE)
- Unknown. Analog Science Fact -> Science Fiction, January 1962 (Unknown, Douglas, Atlas Publishing and Distribution Co. Ltd, 2/6, 132 pages, digest, MAGAZINE)