About Andrew Hughes Andrew Hughes is University Professor Emeritus in the Centre for Medieval Studies at the University of Toronto. Books by Andrew Hughes Cataloguing Discrepancies The Printed York Breviary of 1493 by (author) Andrew Hughes contributions by Matthew Cheung Salisbury & Heather Robbins Medieval Manuscripts for Mass and Office A Guide to their Organization and Terminology by (author) Andrew Hughes Medieval Manuscripts for Mass and Office A Guide to their Organization and Terminology by (author) Andrew Hughes