Encyclopedias, Almanacs, Transcripts, and Maps
- Long Island Sound
- Long Island University
- Long Range
- Long Sault Rapids
- Long Valley
- Long Walls
- Long, Earl Kemp
- long-wall mining
- Longfellow National Historic Site
- Longford, Elizabeth
- Longhorn Cavern
- Longmeadow
- Longmen
- Longo, Luigi
- Longs Peak
- Longueuil
- Longueuil, Charles le Moyne, sieur de
- Longueville, Anne Geneviève de Bourbon-Condé, duchesse de
- Longworth, Alice Lee Roosevelt
- Longworth, Nicholas