Books in Browsing: Nature/Gardening/Animals (sorted alphabetically by author)
- Trees: A Woodland Notebook Sir Herbert Maxwell
- The Frozen North Richard Mayde
- Trapping wild animals in Malay jungles Charles Mayer
- The Illustrated Horse Doctor Edward Mayhew
- The Horse's Mouth, Showing the age by the teeth Edward Mayhew
- Manual of Taxidermy C. J. Maynard
- The little book of British quadrupeds W. May
- In Pastures Green Peter McArthur
- The Red Cow and Her Friends Peter McArthur
- Happy: The life of a bee Walter Flavius McCaleb
- Essays on early ornithology and kindred subjects James Roxburgh McClymont
- Boys of the Old Sea Bed: Tales of Nature and Adventure Charles Allen McConnell
- Shrubs for Kansas Landscapes Gary L. McDaniel
- Getting Acquainted with the Trees J. Horace McFarland
- A Manual of Philippine Birds Richard C. McGregor
- The Wild Turkey and Its Hunting Edward Avery McIlhenny and Charles L. Jordan
- Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi Charles McIlvaine and Robert K. Macadam
- Ecological Studies of the Timber Wolf in Northeastern Minnesota L. David Mech, Louis Daniel Frenzel, Robert R. Ream, John W. Winship, and P. D. Karns
- My Book of Ten Fishes Rosalie G. Mendel
- Book about Animals Rufus Merrill
- Jaw Musculature of the Mourning and White-winged Doves Robert L. Merz
- Fishes of Chautauqua, Cowley and Elk Counties, Kansas Artie L. Metcalf
- Säugethiere vom Celebes- und Philippinen-Archipel (German) Adolf Bernhard Meyer
- Followers of the Trail Zoe Meyer
- The Insect Jules Michelet