found: Computers and Old English concordances, 1970:title page (edited by Angus Cameron, Roberta Frank, John Leyerle; proceedings of a conference held at the University of Toronto, March 21-22, 1969)
found: Chivalric literature : essays on relations between literature & life in the later Middle Ages, 1980:title page (edited by Larry D. Benson & John Leyerle) page 176 (John Leyerle is Dean of the School of Graduate Studies at the University of Toronto, where he has taught for the past 20 years)
found: Usk, Thomas, -1388. Thomas Usk's Testament of love : a critical edition, 1977:title page (presented by John Frank Leyerle; submitted this work as his Ph. D. thesis to Harvard University in 1977)
found: Usk, Thomas, -1388. Testament of love, 2002:title page (edited by Gary W. Shawver based on the edition of John F. Leyerle)
found: The globe and mail, dateline August 5, 2006, viewed online on March 30, 2023:obituary (John Frank Leyerle; born November 18, 1926, in Albany, New York; died August 2, 2006; served in the United States Navy and graduated from the United States Naval Academy with a degree in Engineering; completed a degree in English philology at Oxford; obtained his Ph. D. in Comparative Literature from Harvard University; he was appointed to the Department of English at University College in 1959 and spent his entire academic career at University College, serving as director of the Centre for Medieval Studies and as Dean of the School of Graduate Studies) - https://www.legacy.com/ca/obituaries/theglobeandmail/name/john-leyerle-obituary?pid=189826729