Books in Browsing: Nature/Gardening/Animals (sorted alphabetically by author)
- Dogs and All about Them Robert Leighton
- The useful trees of northern Nigeria Hugh Vandervaes Lely
- Az ember helye a természetben (Hungarian) Mihály Lenhossék
- The Systematics of the Frogs of the Hyla Rubra Group in Middle America Juan R. León
- Histoire naturelle des oiseaux d'Afrique, t. 1 (French) François Le Vaillant
- Antarctic Penguins: A Study of Their Social Habits G. Murray Levick
- Studies of Trees Jacob Joshua Levison
- Famous pets of famous people Eleanor Lewis
- Sertum Anglicum, seu, Plantae Rariores quae in Hortis Juxta Londinum (Latin) Charles Louis L'Héritier de Brutelle
- Eucalyptos e Acacias: Vinte annos de experiencias (Portuguese) Jaime de Magalhães Lima
- The Migration of North American Birds (1935) Frederick Charles Lincoln
- Migration of Birds (1950) Frederick Charles Lincoln
- Migration of Birds (1979) Frederick Charles Lincoln and Steven R. Peterson
- Stories of the Universe: Animal Life B. Lindsay
- Journal of the Proceedings of the Linnean Society - Vol. 3 Linnean Society of London
- Striped Coat, the Skunk Joseph Wharton Lippincott
- Red Ben, the Fox of Oak Ridge Joseph Wharton Lippincott
- Antony Gray,—Gardener LM
- Bee Hunting: A Book of Valuable Information for Bee Hunters John Ready Lockard
- The call of the wild Jack London
- Tales of the Fish Patrol Jack London
- Michael, Brother of Jerry Jack London
- The call of the wild Jack London
- Erämaan kutsu (Finnish) Jack London
- The call of the wild Jack London