IMC 2015: Participants
IMC 2015: Sessions featuring Penelope Joan Nash
- Matilda of Tuscany-Canossa: Commemorating the 9th Centennial of the Great Countess, I - Heresy and Reform (618)
- Matilda of Tuscany-Canossa: Commemorating the 9th Centennial of the Great Countess, II - The Other Canossans (718)
- Matilda of Tuscany-Canossa: Commemorating the 9th Centennial of the Great Countess, III - Life and Afterlife (818)
- Matilda of Tuscany-Canossa: Commemorating the 9th Centennial of the Great Countess, IV - The Gregorian Reform and Beyond: A Round Table Discussion (918)