J. L. · Jeffrey C. Londa · Jeffrey L.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| O'Connor's Federal Employment Codes Plus 2016-2017 | 978-1-59839-239-5 (1-59839-239-5) | 2016 |
| O'Connor's Texas Employment Codes Plus 2015-2016 | 978-1-59839-229-6 (1-59839-229-8) | 2015 |
| O'Connor's Texas Employment Codes Plus 2016-2017 | 978-1-59839-254-8 (1-59839-254-9) | 2016 |