| The World of Gregorian Chant Various Artists
Aufnahmeort und Datum Dome Of Aachen [1968] |  | |
| Gregorian Choral Various Artists |  | |
| Healing Spirits: Gregorian Various Artists |  | |
| Leonardo Da Vinci Various Artists |  | |
| Gregorian Chorals Benedictine Monks of the Abbey of Einsiedeln |  | |
| Gregorian, Vol. 3 Various Artists
Aufnahmeort und Datum Dome Of Aachen [1968] |  | |
| Gregorian & Medieval Mystic Various Artists
Aufnahmeort und Datum Dome Of Aachen [1968] |  | |