| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Archaeological Investigations on the East Shore of Lake Abert, Lake County, Oregon | 978-99966-763-8-3 (99966-763-8-2) | 1985 |
| Prehistoric Culture Sequence in the Portland Basin of the Lower Columbia Valley | 978-99929-2-861-5 (99929-2-861-1) | 1981 |
M P · R. M. · R. P. · Richard M. · Richard P. · Richard Pettigrew