Dover Publications · University of Georgia Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Joseph Hopkins Twichell: The Life and Times of Mark Twain's Closest Friend | 978-0-8203-3056-3 (0-8203-3056-6) | 2008 |
| "The Loveliest Home That Ever Was": The Story of the Mark Twain House in Hartford | 978-0-486-48634-5 (0-486-48634-6) | 2011 |