South Germany
| Author(s) | Title | Reference | |
|---|---|---|---|
| J.K. Bostock | THE ANT'S WAIST: A QUERY | 25/2, p. 84 |
| Author(s) | Title | Reference | |
|---|---|---|---|
| John Stevens | Hucbald, Guido, and John on Music: Three Medieval Treatises. (Music Theory Translation Series 3), by Warren Babb, Claude V. Palisca | 49/1, p. 99 |