SF Encyclopedia Picture Gallery
Poul Anderson. Guardians of Time (New York: Ballantine, 1960) [coll: Time Patrol: pb/Richard Powers]
Image courtesy of Clute Science Fiction Library at Telluride
Poul Anderson. Guardians of Time (New York: Ballantine, 1960) [coll: Time Patrol: pb/Richard Powers]
Image courtesy of Clute Science Fiction Library at Telluride