| Frontier and pioneer life -- Northwest, Old. Matches 7 items |
| Frontier and pioneer life -- Northwest, Pacific. Matches 3 items |
| Frontier and pioneer life -- Northwestern states. Matches 3 items |
| Frontier and pioneer life -- Ohio. Matches 2 items |
| Frontier and pioneer life -- Ohio -- Greene County. Matches 1 item |
| Frontier and pioneer life -- Ohio River Valley. Matches 1 item |
| Frontier and pioneer life -- Oklahoma -- Juvenile literature. Matches 1 item |
| Frontier and pioneer life -- Oklahoma -- Oklahoma Panhandle. Matches 1 item |
| Frontier and pioneer life -- Oregon. Matches 1 item |
| Frontier and pioneer life -- Oregon National Historic Trail. Matches 2 items |