organa
| Author(s) | Title | Reference | |
|---|---|---|---|
| Anselm Hughes | 'Sumer is icumen in' a revision. (University of California Publications in Music. Vol. II No. 2), by Manfred F. Bukofzer | 13/, p. 78 |
| Author(s) | Title | Reference | |
|---|---|---|---|
| Anselm Hughes | 'Sumer is icumen in' a revision. (University of California Publications in Music. Vol. II No. 2), by Manfred F. Bukofzer | 13/, p. 78 |