| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Morrow Sandstones of Southeast Colorado and Adjacent Areas | 978-O-933979-13-O (O-933979-13-4) | 1990 | Stephen A. Sonnenberg · Lee T. Shannon · Kathleen Rader · William F. von Drehle |
G.M. · G. Martin · G.W. · Gregory Martin · W. M. · W. Martin · William Gregory Wood-Martin