Article "Adrian Willaert," in The New Grove Dictionary of Music and Musicians, ed. Stanley Sadie. 20 vol. London, Macmillan Publishers Ltd., 1980. ISBN 1-56159-174-2
Harold Gleason and Warren Becker, Music in the Middle Ages and Renaissance (Music Literature Outlines Series I). Bloomington, Indiana. Frangipani Press, 1986. ISBN 0-89917-034-X
Free access to high-resolution images of manuscriptsArchive.is的存檔,存檔日期2000-08-16 containing works by this composer from Digital Image Archive of Medieval Music