| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Charles Bradlaugh: A Record of His Life and Work by His Daughter, Hypatia Bradlaugh Bonner; With an Account of His Parliamentary Struggle, Politics and Teachings, by John M. Robertson | 978-1-112-1O985-O (1-112-1O985-4) | 2009 |