- Leo XI, Pope, 1535-16051
- Leocadia, Saint, -3031
- Leonis, Johannes, -14631
- Lepe Carvajal, Alonso de1
- Letter writing, Arabic1
- Letter writing, French1
- Letter writing, German1
- Letter writing, Latin1
- Libri amicorum1
- Lion hunting1
- Lippomano, Luigi, 1500-15591
- Liquor laws (Islamic law)1
- Liturgical lessons1
- Local finance1
- Local government--Law and legislation1
- Local history1
- Local history--Sources1
- Local officials and employees--Salaries, etc.1
- Lopez Bulhão, Antonio, active 1510-15151
- Lord's Supper1