| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Why Stop?: A Guide to Texas Historical Roadside Markers | 978-0-88415-229-3 (0-88415-229-4) | 1999 | Betty Dooley Awbrey |
| Why stop?: A guide to Texas historical roadside markers | 978-0-88415-922-3 (0-88415-922-1) | 1985 | |