SF Encyclopedia Picture Gallery
Phil Stephensen-Payne and Sean Wallace. Eric Frank Russell, Our Sentinel in Space: A Working Bibliography (Leeds, West Yorkshire: Galactic Central Publications, 1999) [bibliography: chap: exp rev from 1986 and 1988 editions: Eric Frank Russell: #24 in the publisher's Bibliographies for the Avid Reader series: pb/nonpictorial]
From the collection of David Langford