- 3 Lamos (Firm)
- 1 Lampblack
- 188 Lampposts
- 36 Lamps
- 4 Lampshades
- 1 Lanark Mills-William Baird
- 1 Lancaster Avenue
- 2 Lancaster Avenue
- 1 Lancaster Avenue
- 12 Lancaster Avenue
- 20 Lancaster County, Pennsylvania
- 1 Lancaster Passenger Railway Station
- 2 Lancaster turnpike
- 1 Lancaster turnpike
- 1 Lancaster turnpike
- 10 Lancaster, Pennsylvania
- 1 Land
- 1 Land mines
- 7 Land surveys
- 3 Land Title and Trust Co.
- 121 Land use maps
- 1 Landauer & Machall (Firm)
- 14 Landings (marine structures)
- 2 Landis' Retreat
- 1 Landis, Kenesaw Mountain, 1866–1944
- 1 Landless, Henry & Son (Cotton weaving)
- 3 Landmark buildings
- 1 Landon, Letitia Elizabeth (L.E.)
- 2 Landor, Walter Savage, 1775-1864
- 1 Landreth, David
- 1 Landscape - suburbs of Munich (Work of Art)
- 2 Landscape architecture
- 27 Landscape paintings
- 31 Landscape photographs
- 93 Landscape prints
- 747 Landscapes (environments)
- 274 Landscapes (representations)
- 10 Landscaping
- 1 Landsdale and McGrath Real Estate (firm)
- 1 Landseer, Charles, 1799 or 1800-1879
