| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Bear flag country: Legacy of the revolt: a history of the towns and post offices of Sonoma County, California | 978-0-9652136-0-8 (0-9652136-0-9) | 1996 |
| Bear Flag Country: Legacy of the Revolt: A History of the Towns and Post Offices of Sonoma County, California | 978-0-9652136-1-5 (0-9652136-1-7) | 1996 |
P.P. · Paul P. · R. P. · R. Paul · Richard P. · Richard Paul