SAM BARRETT
| Author(s) | Title | Reference | |
|---|---|---|---|
| SAM BARRETT | R. Strohm and B. J. Blackburn (eds), The New Oxford History of Music, Vol. III. I: Music as Concept and Practice in the Late Middle Ages | 72/1, p. 115 | |
| SAM BARRETT | Kenneth Levy, Gregorian Chant and the Carolingians | 68/2, p. 306 |