Books in Browsing: Nature/Gardening/Animals (sorted alphabetically by author)
- The Life of the Bee Maurice Maeterlinck
- The Handy Horse-book Maurice Hartland Mahon
- A Book on Vegetable Dyes Ethel Mairet
- The Desert World Arthur Mangin
- Taxidermy without a Teacher Walter Porter Manton
- The English Husbandman (The Second Booke) Gervase Markham
- The English Husbandman Gervase Markham
- Little Busybodies: The Life of Crickets, Ants, Bees, Beetles, and Other Busybodies Jeannette Augustus Marks and Julia Moody
- The Bedbug [1916] C. L. Marlatt
- The Bedbug [1934] C. L. Marlatt
- Turkey Raising Stanley J. Marsden and Alfred R. Lee
- Shepherds of the Wild Edison Marshall
- Man and Nature; Or, Physical Geography as Modified by Human Action George P. Marsh
- The Earth as Modified by Human Action George P. Marsh
- Notizie del pubblico giardino de' semplici di Padova compilate intorno l'anno 1771 (Italian) Giovanni Marsili
- A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas Edwin Perry Martin
- Atlas de poche des mammifères de la France, de la Suisse romane et de la Belgique (French) René Martin
- The Book of Sports: William Martin
- How the Garden Grew Maud Maryon
- Dogs of all nations Walter Esplin Mason
- European Fungus Flora: Agaricaceae George Massee
- Vegetable Teratology Maxwell T. Masters
- Full Revelations of a Professional Rat-catcher After 25 Years' Experience Ike Matthews
- Mazes and Labyrinths: A General Account of Their History and Development W. H. Matthews
- Forest Trees of Texas: How to Know Them Wilbur R. Mattoon and C. B. Webster