Harper, Sally. 2010. Traces of Lost Late Medieval Offices? The 'Sanctilogium Angliae, Walliae, Scotiae, et Hiberniae' of John of Tynemouth (fl. 1350). Essays on the History of English Music: sources, style, performance, historiography,  Woodbridge: Boydell.

Harper, Sally. 2007. Music in Welsh Culture before 1650: A Study of the Principal Sources. 245-8. Aldershot.

Harper, Sally. 2007. Sources with Music II: The Bangor Pontifical. Music in Welsh Culture before 1650: A Study of the Principal Sources, 231-248. Aldershot.

Bent, Margaret. 2000. Preface to Isobel Woods Preece. Our Awin Scottis Use: Music in the Scottish Church up to 1603, Studies in the Music of Scotland. edited by Sally Harper,  Universities of Glasgow and Aberdeen.

Harper, Sally. 1997. The Bangor Pontifical: a Pontifical of the Use of Salisbury. Welsh Music History, 2: 65-89.