Subjects: the river and i (sorted by quantity of books)
- Frontier and pioneer life -- Mississippi River Valley -- Fiction 2 books
- Hudson River Valley (N.Y. and N.J.) -- Fiction 2 books
- Yukon River (Yukon and Alaska) -- Description and travel 2 books
- Roads -- Ohio River Valley 2 books
- Railroads -- Euphrates River Valley 2 books
- Indians of North America -- Mississippi River Valley -- Antiquities 2 books
- Negro River (Río Negro, Argentina) 2 books
- Missouri River -- Juvenile fiction 2 books
- Missouri River -- History 2 books
- Amazon River Valley -- Discovery and exploration -- American 2 books
- Saguenay River Valley (Québec) 2 books
- Steam-navigation -- Missouri River 2 books
- Rivers -- Great Britain 2 books
- Mississippi River Valley -- Social life and customs 2 books
- Colorado River (Colo.-Mexico) -- Fiction 2 books
- Amazon River Valley 2 books
- Mississippi River Valley -- Juvenile fiction 2 books
- Yellowstone River -- Fiction 1 book
- Cathedrals -- Rhine River Valley 1 book
- Willamette River Valley (Or.) -- Description and travel 1 book
- Frontier and pioneer life -- Pennsylvania -- Juniata River Valley 1 book
- Wisconsin River (Wis.) 1 book
- Amazon River -- Navigation 1 book
- Shenandoah River Valley (Va. and W. Va.) -- History 1 book
- Ticino River Valley (Switzerland and Italy) -- Description and travel 1 book