| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| New Identifications of Third Century Roman Portraits | 978-87-7492-162-2 (87-7492-162-2) | 1975 |
| The Half-Open Door: A Common Symbolic Motif Within Roman Sepulchral Sculpture | 978-87-7492-213-1 (87-7492-213-0) | 1977 |