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- Across the plains -- and beyond25
- Conrad, Helen Clara Clark,12
- Frontier and pioneer life -- Oregon -- Juvenile literature11
- Frontier and pioneer life -- Juvenile literature10
- Wagon trains -- Juvenile literature10
- Oregon National Historic Trail -- Juvenile literature7
- Frontier and pioneer life -- Washington (State) -- Juvenile literature4
- Clark, Clarence Wesley,2
- Education -- Oregon -- History -- 19th century -- Juvenile literature2
- Indians of North America -- Juvenile literature2
- Teachers -- Conduct of life -- Oregon -- History -- 19th century -- Juvenile literature2
- Walla Walla College -- History2
- Bible -- Memorizing -- Juvenile literature1
- Camp meetings -- Juvenile literature1
- Cholera -- Juvenile literature1
- Church dedication -- California1
- Clark, Alvin -- Family1
- Clark, Eferiah1
- Conrad, Helen Clara Clark,--1851-19181
- Ferries -- South Dakota -- Juvenile literature1