D,. H.. · L -H · Larry H. · Larry Harmon
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Unlocking the AP U. S. Government Exam: Answer Key | 978-1-7320554-2-1 (1-7320554-2-4) | 2018 |
| Unlocking the AP U. S. History Exam: Answer Key | 978-1-7320554-0-7 (1-7320554-0-8) | 2018 |