Books in Browsing: Nature/Gardening/Animals (sorted alphabetically)
- Children's Life of the Bee Maurice Maeterlinck
- Child's Book of Nature Worthington Hooker
- Child's Book of the Seasons Arthur Ransome
- Citizen Bird: Scenes from Bird-Life in Plain English for Beginners Mabel Osgood Wright and Elliott Coues
- Clerk of the Woods Bradford Torrey
- Clever Hans (The Horse of Mr. Von Osten) Oskar Pfungst
- Clovers and How to Grow Them Thomas Shaw
- Colorado Wild Flowers Harold DeWitt Roberts and Rhoda N. Roberts
- Color Key to North American Birds Frank M. Chapman
- Colouration in Animals and Plants Alfred Tylor
- Coloured engravings of heaths; vol. 1 active 1799-1828 Henry Cranke Andrews
- Coloured engravings of heaths; vol. 3 active 1799-1828 Henry Cranke Andrews
- Coloured engravings of heaths; vol. 4 active 1799-1828 Henry Cranke Andrews
- Colour in the flower garden Gertrude Jekyll
- Comments on the Taxonomic Status of Apodemus peninsulae, with Description of a New Subspecies from North China J. Knox Jones
- Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores E. Raymond Hall and Keith R. Kelson
- Comments on the Taxonomy and Geographic Distribution of Some North American Rabbits E. Raymond Hall and Keith R. Kelson
- Comments on the Taxonomy and Geographic Distribution of Some North American Rodents E. Raymond Hall and Keith R. Kelson
- Common names of a selected list of plants Kling L. Anderson and Clenton E. Owensby
- Common Objects of the Country J. G. Wood
- Common poisonous plants of New England Jr. Heber W. Youngken and Joseph S. Karas
- Common Spiders of the United States J. H. Emerton
- Common Trees of Pennsylvania Joseph E. Ibberson, A. B. Mickalitis, J. E. Aughenbaugh, and C. L. Morris
- Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima Glen Everett Woolfenden
- Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado Charles L. Douglas