McCarthy, Kerry, and Magnus Williamson. 2024. Notes on the Petre Gradual. Manuscripts, Materiality, and Mobility: Essays on Late Medieval Music in Memory of Peter Wright, Studi e Saggii. edited by Kerry McCarthy and Magnus Williamson, 83-108. Lucca: Libreria Musicale Italiana. https://www.lim.it/en/miscellaneous-books/6785-manuscripts-materiality-and-mobility-9788855433471.html#/2-tipo_prodotto-book.

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

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

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