| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Barron's Police Officer Exam | 978-0-7641-4091-4 (0-7641-4091-4) | 2009 | Donald J. Schroeder Ph.D. |
| Barron's Police Sergeant Examination, 6th Edition | 978-1-4380-1098-4 (1-4380-1098-2) | 2018 | Donald J. Schroeder NYPD Ret. |
| Barron's Police Sergeant Examination | 978-0-7641-4381-6 (0-7641-4381-6) | 2010 | " |
A.L. · A. Lombardo · A N · F A · F. Lombardo · Frank A. · Frank A. Lombardo · Frank Lombardo · Frank N. · L.N.????