Anderson, Poul. "How to Build a Planet." In Turning Points: Essays on the Art of Science Fiction. Edited by Damon Knight. New York: Harper and Row, 1977. Anderson explains how to create believable planet for science fiction.

——. "Science Fiction and History." Amazing Stories 63 (January 1989): 4349. Anderson here discusses how the past may be used to suggest possible futures.

"Anderson, Poul." In Contemporary Authors. Vol. 34. Edited by James G. Lesniak. Detroit: Gale, 1991: 17-21.

Lists Anderson's writings and awards, with a summary of critical opinion about Anderson's work.

Beetz, Kirk H. "Poul Anderson." In Beacham's Popular Fiction in America. Edited by Walton Beacham and Suzanne Niemeyer. Washington, DC: Beacham Publishing, 1986: 27-35.

Summarizes Anderson's career and critical reception up to 1986 and provides close analyses of Trader to the Stars, The Avatar, and The Queen of Air and Darkness.

Miesel, Sandra. Against Time's Arrow: The High Crusade of...