| Natural History of the Prairie Vole (Mammalian Genus Microtus) / [KU. Vol. 1 No. 7]
E. W. Jameson | |
| Natural History of the Racer Coluber constrictor
Henry S. Fitch | |
| Natural History of the Salamander, Aneides hardii
Richard F. Johnston; G. A. Schad | |
| Natural Law in the Spiritual World
Henry Drummond | |
| Natural Man
Arthur B. Moss | |
| Natural Philosophy
Wilhelm Ostwald | |
| Natural Stability and the Parachute Principle in Aeroplanes
W. LeMaitre | |
| Natural Wonders
Edwin Tenney Brewster | |
| Naturalism and Religion
Rudolf Otto | |
| Naturalistic Photography for Students of the Art.
P. H. Emerson |
