plainsong
| Author(s) | Title | Reference | |
|---|---|---|---|
| John Stevens | Music in Mediaval Britain, by Frank Ll. Harrison | 30/2, p. 131 | |
| John Stevens | Medieval Music, the Sixth Liberal Art. (Toronto Medieval Bibliographies 4), by Andrew Hughes | 48/1, p. 168 |
| Author(s) | Title | Reference | |
|---|---|---|---|
| John Stevens | Music in Mediaval Britain, by Frank Ll. Harrison | 30/2, p. 131 | |
| John Stevens | Medieval Music, the Sixth Liberal Art. (Toronto Medieval Bibliographies 4), by Andrew Hughes | 48/1, p. 168 |