| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Genre and Ritual: The Cultural Heritage of Medieval Rituals | 978-87-635-0241-2 (87-635-0241-0) | 2005 | Mette Birkedal Bruun · Nils Holger Petersen · Jens Fleischer |
| The Office of Saint Olav: A Study in Chant Transmission | 978-91-554-4898-1 (91-554-4898-4) | 2001 | Eyolf Strem |