Subjects: the river and i (sorted by popularity)
- Thames River (England) -- Pictorial works 73 downloads
- Amazon River Valley -- Juvenile fiction 73 downloads
- Ticino River Valley (Switzerland and Italy) -- Description and travel 72 downloads
- Red River Settlement -- Fiction 72 downloads
- Cost and standard of living -- Massachusetts -- Fall River 72 downloads
- Stanislaus River (Calif.) -- Juvenile fiction 72 downloads
- Legends -- Mississippi River Valley 71 downloads
- Yangtze River (China) 71 downloads
- Hudson River (N.Y. and N.J.) -- History 71 downloads
- Indians of North America -- Mississippi River Valley -- Folklore 71 downloads
- Yellowstone River -- Fiction 71 downloads
- Taquari River (Rio Grande do Sul, Brazil) 70 downloads
- Loup River (Neb.) -- Fiction 70 downloads
- Platte River (Neb.) -- Fiction 70 downloads
- Yangtze River (China) -- Description and travel 70 downloads
- Danube River Valley -- Description and travel 69 downloads
- Danube River 69 downloads
- River boats -- Juvenile fiction 69 downloads
- Xingu River (Brazil) -- Juvenile fiction 68 downloads
- Delaware River Valley (N.Y.-Del. and N.J.) -- Fiction 66 downloads
- Neckar River Valley (Germany) -- Fiction 66 downloads
- River Raisin, Battle of the, Monroe, Mich., 1813 66 downloads
- Gambia River -- Description and travel 66 downloads
- Floods -- Mississippi River 66 downloads
- Juniata River Valley (Pa.) -- History 66 downloads