| Lessons in the Small Catechism of Dr. Martin Luther / For the Senior Department of Lutheran Sunday-Schools and for General Use
George Mezger; Martin Luther | |
| Lessons in Wireless Telegraphy
Alfred Powell Morgan | |
| Lessons of the war with Spain and other articles
A. T. Mahan | |
| Lessons of the War: Being Comments from Week to Week to the Relief of Ladysmith
Spenser Wilkinson | |
| Lessons on Manners for School and Home Use
Edith E. Wiggin | |
| Lessons on Soil
Edward J. Russell | |
| Lest Darkness Fall
L. Sprague de Camp | |
| Lest We Forget: World War Stories
John G. Thompson; Inez Bigwood | |
| Let 'Em Breathe Space!
Lester Del Rey | |
| Let Space Be Your Coffin
S. M. Tenneshaw |
