Books in Browsing: Nature/Gardening/Animals (sorted alphabetically by author)
- Children of the Wild Sir Charles G. D. Roberts
- Hoof and Claw Sir Charles G. D. Roberts
- The Ledge on Bald Face Sir Charles G. D. Roberts
- Colorado Wild Flowers Harold DeWitt Roberts and Rhoda N. Roberts
- The Book of Old-Fashioned Flowers Harry Roberts
- Flying Plover: His stories, told him by Squat-by-the-fire Theodore Goodridge Roberts
- Bear Brownie: The Life of a Bear Harry Perry Robinson
- The Life Story of a Black Bear Harry Perry Robinson
- Our Domestic Birds: Elementary Lessons in Aviculture John H. Robinson
- Birds of the wave and woodland Phil Robinson
- In New England Fields and Woods Rowland Evans Robinson
- The Subtropical Garden; or, beauty of form in the flower garden. W. Robinson
- Garden Design and Architects' Gardens W. Robinson
- The Wild Garden W. Robinson
- Gardening Indoors and Under Glass F. F. Rockwell
- Home Vegetable Gardening F. F. Rockwell
- Success with Small Fruits Edward Payson Roe
- The Home Acre Edward Payson Roe
- Trees Every Child Should Know: Easy Tree Studies for All Seasons of the Year Julia Ellen Rogers
- Trees Worth Knowing Julia Ellen Rogers
- The Old English Herbals Eleanour Sinclair Rohde
- Animal Intelligence George John Romanes
- The Botanical Lore of the California Indians John Bruno Romero
- De honig en zijn gebruik (Dutch) W.-F. Rondou
- The Happy Hunting-Grounds Kermit Roosevelt