C.R. · Colin Riardon · Colin Riordan
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Agostino Agazzari and Music at Siena Cathedral, 1597-1641 | 978-0-19-816272-8 (0-19-816272-3) | 1993 |
| Holy Concord Within Sacred Walls: Nuns and Music in Siena, 1575-1700 | 978-0-19-513295-3 (0-19-513295-5) | 2001 |