- 2 Labor leaders
- 2 Laboratories
- 17 Laborers
- 2 Labors of the month, April
- 6 Labors of the month, August
- 4 Labors of the month, December
- 4 Labors of the month, February
- 3 Labors of the month, January
- 4 Labors of the month, July
- 4 Labors of the month, June
- 3 Labors of the month, March
- 2 Labors of the month, May
- 2 Labors of the month, November
- 3 Labors of the month, October
- 6 Labors of the month, September
- 6 Labyrinths
- 3 Lace making
- 1 Laces
- 2 Lack of issues
- 2 Lacquer and lacquering
- 4 Lacquerware
- 1 Lacy, Harriette Deborah, 1807-1874
- 1 Lacy, Walter, 1809-1898
- 15 Ladders
- 1 Ladies' and Gentlemens' Light Lunch Cafe
- 1 Ladies' Tailoring Department
- 2 Ladles (Utensils)
- 1 Ladner, Louis J. Brewery & Garden
- 1 Lady Washington Hotel
- 1 Lafayette Cemetery
- 1 Lafayette College
- 1 LaFayette Fire Company
- 8 LaFayette Hotel
- 1 Lafayette, Indiana
- 1 Lafferty, John & Bro. Gunners Run Dye Works
- 1 Laflin & Rand Powder Co.
- 1 LaFrance Manufacturing Co.
- 2 Lager Beer Saloon
- 1 Lagomarsino & Cuneo
- 1 Lagrange Cotton Factory
