| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Study Guide: for Give Me Liberty! An American History, Second Edition | 978-0-393-93073-3 (0-393-93073-4) | 2008 | Daniel Letwin · Thomas Clarkin |
| Study Guide: for Give Me Liberty! An American History, Second Edition | 978-0-393-93074-0 (0-393-93074-2) | 2007 | Daniel Letwin · Thomas Clarkin |