| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2000 | 978-0-9706645-0-1 | Michelle A Dunn | Starting a Collection Agency |
| 2013 | 978-0-9706645-1-8 | Michelle Dunn | Become the Squeaky Wheel: a Credit and Collections guide for everyone (The Collecting Money Series) (Volume 4) |
| 2000 | 978-0-9706645-3-2 | Michelle A. Dunn | How to Help You Get Paid, Credit & Collections Forms & Letters |
| 2006 | 978-0-9706645-5-6 | Michelle Dunn | Second Edition Starting a Collection Agency, How to make money collecting money |
| 2008 | 978-0-9706645-6-3 | '' | Starting a Collection Agency, How to make money collecting money Third Edition |