Name
- Lacock Agricultural Society, fl 1860[remove]2
- Calne Institution for the Cultivation of Useful Knowledge, 1840-19051
- Cambridge Philosophical Society, 1819-1
- Kinnear, Charles George Hood, Secretary of the Photographic Society of Scotland and architect, 1830-18941
- Kreeft, John Christopher Tobias, merchant, known as Christopher Kreeft, 1787-18501
- Labarthe, Jules, Swiss calotypist, fl 18421
- Lacan, Ernest, editor and writer, 1828-18791
- Lambert, Aylmer Bourke, botanist, 1761-18421
- Langenheim, Ernst Willhelm, photographer, Philadelphia, 1807-18741
- Langston, Julia Frances, née Moreton, daughter of Baron Ducie, d 18691
- Laulerie, Martin, secretary of the Société Française de Photographie, fl 1868-18701
- Literary and Philosophical Society of St Andrews, 1838-?18891
- Philological Society, 1830-1
- Royal Asiatic Society, 1824-1
- Royal Society of Literature, 1820-1
- Society of Biblical Archaeology, 1870-19191
- W & F Langenheim & Co., photographers, Philadelphia, fl 1849-18541
- Wiltshire Archaeological and Natural History Society, 1853-1