HarperCollins · W. W. Norton & Company
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| London: A Visitors Companion | 978-0-393-04488-1 (0-393-04488-2) | 1977 | Dennis Plimmer |
| Slavery: The Anglo-American involvement | 978-0-06-495606-2 (0-06-495606-7) | 1973 | |