| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Encyclopedia of British and for Party Politics in Local Government | 978-0-8264-5814-8 (0-8264-5814-9) | 2002 | Peter Barberis · John McHugh |
| Encyclopedia of British and Irish Political Organizations: Parties, Groups and Movements of the Twentieth Century | 978-1-85567-264-2 (1-85567-264-2) | 2000 | Peter Barberis · John McHugh |