| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1998 | 978-0-9665155-0-3 | George W Knox | An introduction to gangs |
| '' | 978-0-9665155-2-7 | Proceedings of the 1998 Second International Gang Specialist Training Conference | |
| 2000 | 978-0-9665155-4-1 | George W. Knox | Introduction to Gangs |