Subjects: the river and i (sorted by quantity of books)
- Niger River 5 books
- Young men -- Travel -- England -- Thames River -- Fiction 5 books
- Legends -- Rhine River Valley 4 books
- Mississippi River Valley -- History 4 books
- Frontier and pioneer life -- Yukon River Valley (Yukon and Alaska) -- Fiction 4 books
- Hugo, Victor, 1802-1885 -- Travel -- Rhine River Valley 4 books
- Frontier and pioneer life -- Ohio River Valley 4 books
- Nile River Valley -- Description and travel 4 books
- Ohio River Valley -- Description and travel 4 books
- Rivers 4 books
- Amazon River -- Fiction 4 books
- Frontier and pioneer life -- Mississippi River Valley 4 books
- Missouri River -- Description and travel 4 books
- Amazon River Valley -- Description and travel 4 books
- Columbia River 3 books
- Amazon River Region -- Juvenile fiction 3 books
- Legends -- Rhine River 3 books
- Mississippi River Valley -- Discovery and exploration 3 books
- Gold mines and mining -- Yukon River Valley (Yukon and Alaska) -- Fiction 3 books
- Mississippi River -- Discovery and exploration 3 books
- Birds -- Danube River 3 books
- Mississippi River Valley -- Antiquities 3 books
- Red River Settlement 3 books
- Ohio River Valley -- History 3 books
- Ohio River -- Juvenile fiction 3 books