Encyclopedias, Almanacs, Transcripts, and Maps
- Lessing, G. E.
- Leuba, James H.
- Levi Yits?aq of Berdichev
- Lévi, Sylvain
- Lewis, Warren K. (1882–1975)
- Li Shaojun
- Liang Wudi
- Libation
- Liele, George
- Life History and Reproduction
- Life History and Reproduction
- Life History and Reproduction
- Light and Darkness
- Limbourg, Pol de
- Limits to Growth (1972) and Beyond the Limits (1992)
- Limpkins (Aramidae)
- Lindeman, Raymond L. (1915 – 1942) American Ecologist
- Lineker, Gary Winston
- ling
- ling