Mr. Richard E. Spear · R.S. · Richard S.
HarperCollins · Yale University Press
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Caravaggio and his followers | 978-0-06-430034-6 (0-06-430034-X) | 1975 |
| The Divine Guido: Religion, Sex, Money, and Art in the World of Guido Reni | 978-0-300-07035-4 (0-300-07035-7) | 1997 |