Browse Entries - L
- La Biblioteca Ideale di Giordano Bruno: L'Opera e Le Fonti
- la Universidad National and la Sociedad Colombiana de Matemáticas
- Larry Riddle, Biographies of Women Mathematicians
- Liber Liber
- Library of 19th Century Science, Dr. David C. Bossard
- Library of 19th Century Science: H.M.S. Challenger Library, Dr. David C. Bossard
- Library of 19th Century Science: The Golden Age of Geology (2006 - ), Dr. David C. Bossard
- The Library of Congress
- The Library: Curtis Schuh's Biobibliography of Mineralogy
- Library: Marine Biological Laboratory & Woods Hole Oceanographic Institution
- The Lick Observatory Archives
- The Lick Observatory Historical Collections Project
- Lick Observatory Records Digital Archive
- The Linnean - On Line
- The Linnean Society Collections Online
- The Linnean Society of London
- List of archives of American mathematicians
- see AMS--MAA Joint Archives Committee, Karen V.H. Parshall and Albert C. Lewis - Llull: Boletin de la Sociedad Española de Historia de las Ciencias
- Loyola University
- Lychnos (1936 - )