SF Encyclopedia Picture Gallery
Jack Williamson. The Collected Stories of Jack Williamson, Volume 5: The Crucible of Power (Royal Oak, Michigan: Haffner Press, 2006) [coll: intro by Frank M Robinson: contains After World's End and The Fortress of Utopia: plus ten additional stories originally published 1938-1940: Collected Stories: hb/Hubert Rogers]
Image courtesy of Clute Science Fiction Library at Telluride