Heft, Harold. “The Lost A.M. Klein Guggenheim Application.” Canadian Poetry: Studies, Documents, Review 32 (Spring/Summer 1993): 73–81. http://www.canadianpoetry.ca/cpjrn/vol32/heft.htm.

Heft, Harold. “The Presence of James Joyce in the Poetry and Prose of A.M. Klein.” PhD dissertation, University of Western Ontario, 1994. https://ir.lib.uwo.ca/digitizedtheses/2415/.

Heft, Harold. The Shape of This Dying: Remembering Alexander Bercovitch. Oakville, ON: Mosaic Press, 2001.