SF Encyclopedia Picture Gallery
David Standish. Hollow Earth: The Long and Curious History of Imagining Strange Lands, Fantastical Creatures, Advanced Civilizations, and Marvelous Machines Below the Earth's Surface (Cambridge, Massachusetts: Da Capo Press, 2006) [nonfiction: Hollow Earth: hb/uncredited illustration from The Goddess of Atvatabar (1892) by William R Bradshaw]
Image courtesy of Clute Science Fiction Library at Telluride