↑G. Kraft and Percy M. Young, "Eisenach", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
↑Theophil Antonicek, "Vienna, §1: To the 15th Century", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
↑Jack Sage, "Alfonso el Sabio [Alfonso X]", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
↑Fritz Reuter, "Worms", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
↑F. Alberto Gallo, "Amerus [Aluredus, Annuerus, Aumerus]", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
↑Joseph Dyer, "Salomo, Elias [Salomon, Hélie]", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
↑ Heinrich Sowa、 Ein anonymer Glossierter Mensuraltraktat 1279、Königsberger Studien zur Musikwissenschaft 9 (Kassel: Bärenreiter、1930): 132。