Barron,
Neil editor.
Anatomy of Wonder. 3rd edition. (Anatomy)
New York: Bowker, 1987.
Bleiler,
Everett F. with Richard J. Bleiler
Science-Fiction, the Early Years.
(Bleiler)
Kent OH: Kent State University Press, 1990.
Clute,
John and Peter Nichols
The Encyclopedia of Science Fiction.
(CN)
New York: St. Martins, 1993.
The CD-ROM version is even better.
Miller,
Ron and Frederick C. Durant III.
The Art of Chesley Bonistell. (Miller)
London: Paper Tiger, 2001.
WorldCat
- a catalog of the holdings of libraries across
the world, focused primarily on North America,
Europe, Australia and New Zealand. (WC)