Wooldridge, Harry Ellis. 1932, 2nd ed., rev. by Percy C. Buck . The Oxford History of Music, vol. 2, The Polyphonic Period, Part 2: Method of Musical Art, 1400-c. 1600. edited by Percy C. Buck,  London: Oxford University Press.

Wooldridge, Harry Ellis. 1929, 2nd ed., rev. by Percy C. Buck . The Oxford History of Music, vol. 1, The Polyphonic Period, Part 1: Method of Musical Art, 330-1400. edited by Percy C. Buck,  London: Oxford University Press.

Buck, Percy C, and Harry Ellis Wooldridge (eds.) 1905. The Oxford History of Music . 2 vols. London.