Williamson, Magnus (ed.) 2012. John Sheppard. III, Hymns, psalms, antiphons and other Latin polyphony.  London: Stainer & Bell.

Williamson, Magnus. 2010. The Eton Choirbook, Facsimile with introductory study.  Oxford: DIAMM Publications.

Williamson, Magnus. 2010. Double cantus firmus Compositions in the Eton Choirbook. Essays on the History of English Music: sources, style, performance, historiography, edited by Emma Hornby and David Maw,  Woodbridge: Boydell.