Glen Haydon (Haydon, Glen)

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  via
  Counterpoint: The Polyphonic Vocal Style of the Sixteenth Century
  by Knud Jeppesen, Glen Haydon
  Softcover, Dover Pubns, ISBN 048627036X (0-486-27036-X)
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  The Evolution of the Six-Four Chord; A Chapter in the History of Dissonance Treatment
  by Glen Haydon
  Hardcover, Perseus Books, ISBN 0306700174 (0-306-70017-4)
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  Introduction to Musicology: A Survey of the Fields, Systematic and Historical, of Musical Knowledge and Research
  by Glen Haydon
  Hardcover, Greenwood Pub Group, ISBN 0313204292 (0-313-20429-2)
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  Studies in Musicology: Essays in the History, Style, and Bibliography of Music in Memory of Glen Haydon
  by James Pruett, Glen Haydon
  Hardcover, Greenwood Pub Group, ISBN 0837188830 (0-8371-8883-0)