Books in Browsing: Science - Genetics/Biology/Evolution (sorted alphabetically)
- Lajien synty: Luonnollisen valinnan kautta (Finnish) Charles Darwin
- Lamarck et son OEuvre (French) Emile Corra
- Lamarck, the Founder of Evolution: His Life and Work A. S. Packard
- Last Link: Our Present Knowledge of the Descent of Man Ernst Haeckel
- Last Words on Evolution: A Popular Retrospect and Summary Ernst Haeckel
- Lectures on Evolution Thomas Henry Huxley
- Lehrbuch der Botanik für Hochschulen (German) A. F. W. Schimper, Eduard Strasburger, Fritz Noll, and H. Schenck
- Leven der Dieren: Deel 1, Hoofdstuk 14: Buideldieren; Hoofdstuk 15: Kloakdieren (Dutch) Alfred Edmund Brehm
- Leven der Dieren: Deel 3.7, De Weekdieren (Dutch) Alfred Edmund Brehm
- Leven der Dieren: Deel 3.9, De Oerdieren (Dutch) Alfred Edmund Brehm
- Leven der Dieren. Deel 3, Hoofdstuk 5: De Amphibiën (Dutch) Alfred Edmund Brehm
- Life and death A. Dastre
- Life and Habit Samuel Butler
- Life History and Ecology of the Five-Lined Skink, Eumeces fasciatus Henry S. Fitch
- Life History of the Kangaroo Rat Charles Taylor Vorhies and Walter P. Taylor
- Life: Its True Genesis Horatius Flaccus
- Life Movements in Plants, Volume I Jagadis Chandra Bose
- Life Movements in Plants, Volume II Jagadis Chandra Bose
- Life of an Insect
- Life of Crustacea W. T. Calman
- Life of the Caterpillar Jean-Henri Fabre
- Life's Dawn on Earth Sir John William Dawson
- Life-Story of Insects George H. Carpenter
- Links With the Past in the Plant World A. C. Seward
- Little Masterpieces of Science: The Naturalist as Interpreter and Seer