- L. C. Watts Receipt Book, 1887/19092
- L. D. Switler Notebook, 18702
- L. Guild Letter, 18632
- L. J. Bell Notebook, 1840/18602
- L. J. Wolfgram Letters to Hazel Tavares Letters, 1943/194548
- L. Q. C. Lamar Letter to Beverly Tucker, 18832
- L. S. Rhodes & Sons Papers, 1886/1923128
- L.L. Wolf Time Book and Roster, 19292
- L.W. Fisk Letter, 18612
- L.W. Lane, Jr. Letters, 19063
- La Organización de Hispanos Unidos records, 1994/19991
- Lacrosse Records, 1973/201017
- Ladies of Alpha Day for Admitted Students Quotes, 20192
- Ladies' Soldiers' Aid Society Minute Book, 1862/18652
- Lady Nancy Astor Letters to Mrs. Margaret Bailey, 1952/19533