21 Publishing Ltd · Phaidon Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Polish Renaissance | 978-0-7148-3251-7 (0-7148-3251-0) | 1996 |
| Robert Motherwell: The Making of an American Giant | 978-1-901785-15-9 (1-901785-15-7) | 2015 |
| The Pre-Raphaelite Vision | 978-0-7148-3252-4 (0-7148-3252-9) | 1994 |