Collection
- Lawrence Sherwood, Collector, Diaries1
- Lewis Donnally Diary1
- Lewis Family Papers1
- Lewis Francisco Diary1
- Lewis Schaeffer, Soldier, Civil War Diaries1
- Logan Osborne Family and Business Records1
- Luke Wilcox (1795-1854) Diary1
- Luther Haymond, Surveyor, Diary and Surveyor's Book1
- Lyman Stedman, Farmer and Politician, Diary1