| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Popular Front and the Progressive Tradition: Socialists, Liberals and the Quest for Unity, 1884-1939 | 978-0-521-52115-4 (0-521-52115-7) | 2002 |
| The Popular Front and the Progressive Tradition: Socialists, Liberals and the Quest for Unity, 1884–1939 | 978-0-521-41383-1 (0-521-41383-4) | 1992 |