G. N. · R. Gregory · R.N.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Breaking Chains: Slavery on Trial in the Oregon Territory | 978-0-87071-712-3 (0-87071-712-X) | 2013 |
| Massacred for Gold: The Chinese in Hells Canyon | 978-0-87071-570-9 (0-87071-570-4) | 2009 |