Briney, R. E. Crime and Mystery Writers.

New York: St. Martin's, 1984, pp. 263266. Mostly a bibliography with a note on Derleth's contribution to mystery fiction.

"Derleth, August." In Contemporary Authors.

Volumes 29-32. Ed. James M. Ethridge and Barbara Kopala. Detroit: Gale Research, 1967, pp. 243-244. Primarily a listing of Derleth's publications, but includes a brief summary of his life and career.

"Derleth, August." In Encyclopedia of Mystery and Detection. Ed. Chris Steinbrunner, Otto Penzler, et al. New York: McGrawHill, 1976, pp. 121-122. Summarizes Derleth's life and career, emphasizing his mystery fiction.

"Derleth, August." In Something about the Author. Volume 5. Ed. Anne Commire.

Detroit: Gale Research, 1983, pp. 54-55.

A summary of Derleth's career, with a listing of his books for young readers.

Edwards, Malcolm J. "Derleth, August W(illiam)." In The Encyclopedia of Science Fiction. Ed. John Clute, Peter Nicholls, Brian Stableford, and John Grant. New York: St...