| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1969 | 978-0-9500620-0-6 | International Police Association | The International Police Association travel scholarships 1968 |
| 1971 | 978-0-9500620-1-3 | '' | London Guide |
| 1981 | 978-0-9500620-2-0 | H.V.D. Hallett | Police Involvement in Council of Europe |
| 1986 | 978-0-9500620-3-7 | '' | Survey of the Present and Former Police Forces of England, Wales and Channel Islands |