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Books about Leyerle:
The Centre and Its Compass: Studies in Medieval Literature in Honor of Professor John Leyerle (Studies in Medieval... by Robert A. Taylor and John Leyerle (Oct 1993)
[ ASCETIC CULTURE: ESSAYS IN HONOR OF PHILIP ROUSSEAU ] By Leyerle, Blake ( Author) 2013 [ Hardcover ] (Jun 30, 2013)
Front Yard Gardens: Growing More Than Grass [Paperback]  (Author) Liz Primeau, Andrew Leyerle (2010)
The Centre and its Compass. Studies in Medieval Literature in Honor of Professor John Leyerle. Edited by Robert... by ROBERT A. ET AL. TAYLOR (1993)
A history of the Canadian Institute for Advanced Research, chapter one: Leyerle's idea by Robert Craig Brown (2002)