Litmus Source
From Author Wars - https://authorwars.com/books/litmus-source-128190.html
Overview:
- Title: Litmus Source
- Author: B. Ruthkirch
- Year: 1949
- Type: Essays
Editions/Publications:
- Unknown. Amazing Stories, July 1949 (Unknown, B. Ruthkirch, Ziff-Davis Publishing Company, $0.25, 148 pages, pulp, MAGAZINE)
- Unknown. Amazing Stories Quarterly, Winter 1949 (Unknown, B. Ruthkirch, Ziff-Davis, $0.50, pulp, MAGAZINE)