"Muziektheorie." . . "Music theory Early works to 1800." . . "Music theory History 17th century." . . "Music theory." . . "Music theory History 16th century." . . "Music theory 16th-17th centuries." . . . . "1500 - 1699" . . "1500 - 1599" . . . "Plain and easy introduction to practical music"@en . . . . . . . . . . . . "Quelle" . . . . . . . . . . . . . . . "Forword by Thurston Dart." . . . . . "Early works" . "Early works"@en . . . . . . . . "A Plain and easy introduction to practical music" . . "A Plain and Easy Introduction to Practical Music. Edited by R. Alec Harman, etc. [With musical illustrations.]" . "A Plain and Easy Introduction to Practical Music. Edited by R. Alec Harman, etc. [With musical illustrations.]"@en . . . . . . . . . . . . . "History"@en . "A Plain and Easy Introduction to Practical Music" . "History" . . . . . . . . . "Introduction to practical music"@en . "Introduction to practical music" . . . . . . . "A plain and easy introduction to practical music" . . . . . "A plain and easy introduction to practical music"@en . . "A plain and easy Introduction to practical music" . . "Leermiddelen (vorm)" . . . . . . . . . . . "Théorie musicale Histoire 16e siècle." . . "Théorie musicale - Histoire - 16e siècle." . "Théorie musicale 16e siècle." . . "Musiktheorie." . . "Música Teorías Siglos XVI-XVII." . . "Compositieleer." . . "Théorie musicale Ouvrages avant 1800." . . "Música Teoría S. XVI." . . "Música Teoría." . .