| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Birds of the Grand Canyon Region: An Annotated Checklist | 978-0-938216-22-3 (0-938216-22-8) | 1984 | Byran T. Brown · Steven W. Carothers · Lois T. Haight · Meribeth M. Riffey |
| The Petrified Forest Through the Ages: 75th Anniversary Symposium | 978-0-89734-056-4 (0-89734-056-6) | 1985 | Edwin Harris Colbert |
R.J. · R. Johnson · R.R. · R. Roy · Rowland (Roy) Johnson · Rowland (Roy) Johnson MA C.R. Cert. · Roy J. · Roy Johnson