L.P. · L. Pianotti · Leo Penta
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| An Illustrated History of Trigger: The Lives and Legend of Roy Rogers' Palomino | Paperback | 978-0-7864-6111-0 (0-7864-6111-X) | 2010 |
| An Illustrated History of Trigger: The Lives and Legend of Roy Rogers' Palomino | Hardcover | 978-0-7864-3037-6 (0-7864-3037-0) | 2007 |