| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Michelangelo: Six Lectures | Hardcover | 978-0-19-817316-8 | 1979 |
| Michelangelo: Six Lectures | Paperback | 978-0-19-817346-5 | 1978 |
| Venetian Art: From Bellini to Titian | Hardcover | 978-0-19-817327-4 | 1975 |
| Venetian Art: From Bellini to Titian | Paperback | 978-0-19-817331-1 | 1975 |