Books about Natural history -- Outdoor books (sorted alphabetically)
- Muskrat City Henry Abbott
- My Studio Neighbors W. Hamilton Gibson
- Nature Near London Richard Jefferies
- Nature's invitation: Notes of a bird-gazer, North and South Bradford Torrey
- Old Plymouth Trails Winthrop Packard
- Open Air Richard Jefferies
- Outings at Odd Times Charles C. Abbott
- Pastoral Days; or, Memories of a New England Year W. Hamilton Gibson
- Rambler's lease Bradford Torrey
- Riverby John Burroughs
- Rocky Mountain Wonderland Enos A. Mills
- Some Spring Days in Iowa Frederick John Lazell
- Some Summer Days in Iowa Frederick John Lazell
- Some Winter Days in Iowa Frederick John Lazell
- Spring notes from Tennessee Bradford Torrey
- Spring of the Year Dallas Lore Sharp
- Summer Dallas Lore Sharp
- This Then is Upland Pastures Adeline Knapp
- Travels in a Tree-top Charles C. Abbott
- Under the Maples John Burroughs
- Under the Trees and Elsewhere Hamilton Wright Mabie
- Wake-Robin John Burroughs
- Wake-Robin John Burroughs
- Watched by Wild Animals Enos A. Mills
- Watcher in The Woods Dallas Lore Sharp