- 6 Luke, Saint
- 21 Lumber
- 11 Lumber industry
- 30 Lumber sheds
- 2 Lumbermen's Fire Insurance Co.
- 4 Lumberyards (stores)
- 1 Luna Park
- 7 Luncheonettes
- 1 Luncheons
- 1 Lunches
- 1 Lust
- 1 Lustrations
- 9 Lutes
- 2 Luther, Martin, 1483-1546
- 5 Lutheran
- 5 Lutheran churches
- 4 Lutz Bros. (slaughterhouse)
- 1 Lutz, Grace Livingston Hill, 1865-1947
- 3 Luxembourg
- 2 Luxor, Egypt
- 1 Luzerne County, Pennsylvania
- 4 Luzerne Street
- 3 Lyceum Avenue
- 5 Lyceum Theatre (London, England)
- 7 Lyceums (buildings)
- 1 Lycoming Street
- 6 Lydgate, John, 1370?-1451?
- 1 Lynchings
- 1 Lynnewood Hall
- 1 Lynnwood Avenue
- 2 Lyon, France
- 1 Lyon, Matthew, 1749-1822
- 61 Lyres
- 1 Lyric Moving Picture Show
- 1 Lyttelton, Spencer, The Hon., 1818-1881
- 9 Lytton, Edward Bulwer Lytton, Baron, 1803-1873
- 1 M. Chatten & Co.
- 1 M. Gilroy, Dealer in Wines and Liquors &c. (Firm)
- 1 M. Heminway & Sons Silk Co.
- 1 M. Kaufmann (Firm)
