- Labarraque, A. G. (Antoine Germain), 1777-18501
- Laycock, Thomas, 1812-18761
- Lee, Charles A. (Charles Alfred), 1801-1872, author1
- Lee, William, 1778-1863, author1
- Library of Congress, compiler.1
- Library of the Surgeon-General's Office (U.S.)1
- Lindsly, Harvey, 1804-18891