- Labels (identifying artifacts) (6)
- Lamps (lighting devices) (11)
- Landscaping plans (68)
- Lantern slides (4136)
- Lapel pins (75)
- Leaflets (printed works) (1)
- Ledgers (account books) (4)
- Letter openers (1)
- Letterheads (2)
- Letters (correspondence) (702)
- License plates (1)
- Licenses (1)
- Lids (covers) (4)
- Lists (document genres) (27)
- Lithographs (147)
- Locks (securing devices) (1)
