| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| La magie spirituelle et angélique | 978-2-85076-887-3 (2-85076-887-1) | 1998 |
| Music, Spirit and Language in the Renaissance | 978-0-86078-160-8 (0-86078-160-7) | 1985 |
| Spiritual and Demonic Magic: From Ficino to Campanella | 978-0-271-02045-7 (0-271-02045-8) | 2000 |
D. P. · D.W. · D. Walker · Daniel P Walker · David P. Walker · Dr. Lynne Paige Walker · P W. · P. Walker · Ph.D, Patrick Walker
Dervy · Penn State University Press · Routledge