Feeler, Gregory. The Encyclopedia of Fantasy. Edited by John Clute and John Grant.

New York: St. Martin's Press, 1997. Brief entry on Katharine Kerr and the Deverry series.

Jakubowski, Maxim. Fantasy Literature: A Reader's Guide. Edited by Neil Barron.

Garland, 1990. Brief entry on Daggerspell and Darkspell.

"Katharine Kerr Bibliography," web page, http://www.math.ttu.edu/~kesinger/deverry/kerr.biblio.html.

"Katharine Kerr." Http://www.sff.net/people/hathkerr/plan.html. Web page about the series and the author.

Lubel, Samuel. Review of Daggerspell, web page, http://sf.www.lysator.liu.se/sf_archive/sf-texts/books/k/kerr,katharine.mbox.

Morgan, Chris. St. James Guide to Fantasy Writers. Edited by David Pringle, St. James Press, 1996. Lengthy article on Katharine Kerr and her fiction, including the Deverry series.