| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| INCREASING ACADEMIC ACHIEVEMENT WITH THE TRIVIUM OF CLASSICAL EDUCATION: Its Historical Development, Decline in the Last Century, and Resurgence in Recent Decades | 978-O-595-38169-2 (O-595-38169-3) | 2007 |
H. P. · R. H. · R. Hart · R. P. · Randall P.