Dillingham, Thomas F., "Harlan Ellison," in Dictionary of Literary Biography, Vol. 8: Twentieth-Century American Science Fiction Writers, edited by David Cowart and Thomas L. Wyner, Gale Research, 1981, pp. 161-69.

Dillingham gives an excellent overview of Ellison's major works and includes a helpful bibliography.

Dowling, Terry, with Richard Delap and Gil Lamont, eds., The Essential Ellison: A 50-Year Retrospective, rev. ed., Morpheus International, 2000.

This collection of most of Ellison's major works includes short stories, essays, interviews, and screenplays.

Magazine of Fantasy and Science Fiction, Vol. 53, July 1977.

The entire issue of this science fiction standard is dedicated to Harlan Ellison.

Slusser, George Edgar, Harlan Ellison: Unrepentant Harlequin, The Borgo Press, 1977.

Slusser's book-length study of Ellison's work remains a classic critical work.