Summers, William John, and Peter M Lefferts (eds.) 2016. English 13th-Century Polyphony (EECM 57).

Summers, William John. 1995. Medieval Polyphonic Music in the Dartmouth College Library: An Introductory Study of Ms. 002387. Altes im Neuen. Festschrift Theodor Göllner. Hg. von Bernd Edelmann Hermann und Manfred Schmid, Münchner Veröffentlichungen zur Musikgeschichte. 113-130. Tutzing.

Summers, William John. 1990. English Fourteenth-Century Polyphonic Music. An Inventory of the Extant Manuscript Sources. The Journal of Musicology, 8/2: 173-226.

Summers, William John. 1983-1985. Unknown and unidentified English polyphonic music from the fourteenth century. Royal Musical Association Research Chronicle, 19: 57-67.

Summers, William John. 1983. English fourteenth-century polyphony: facsimile edition of sources notated in score.  Tutzing: Schneider.

Summers, William John. 1977. A New Source of Medieval English Polyphonic Music. Music and Letters, 58: 403-14.