- Laidley, L. H. (Leonidas H.), 1844-19081
- Laidley, L. H. (Leonidas H.), 1844-1908, author1
- Lake, Richard, 1861-1949, author1
- Lallemand, F. (François), 1790-1853?3
- Lamb, J. Melvin (John Melvin), 1862-1912 author1
- Lamb, John F. (John Fergusson), 1791-18691
- Lambert, Alexander, 1861-1939 author1
- Lambert, John, 1828-19111
- Lambert, John, 1828-1911 author1
- Lambert, John, 1828-1911, author4
- Lambert, T. S. (Thomas Scott), 1819-18975
- Lambert, T. S. (Thomas Scott), 1819-1897, author3
- Lamicq, Eduardo, author1
- Lamicq, Eduardo.1
- Lamson, Mary Swift, 1822-19091
- Lancaster (Pa.). Board of Health author.1
- Lancaster City & County Medical Society, author.1
- Lancaster, E. G. (Ellsworth Gage), 1861-1934, author1
- Land, C. H. (Charles Henry), 1847-1922, author1
- Landa, Daniel, author1