- Leicester, Robert Dudley, Earl of, 1532?-15881
- Lello, Broccholio di1
- Lello, Tina di1
- Lensi, Lorenzo1
- Lent--Liturgy1
- Lenzi family1
- Lenzi, Giovanni, 1963-1
- Letter writing1
- Letter writing, German1
- Letters patent1
- Liber sextus decretalium (Catholic Church)1
- Library catalogs1
- Lion hunting1
- Lippomano, Luigi, 1500-15591
- Liturgical books1
- Liturgical lessons1
- Local government--Law and legislation1
- Local officials and employees1
- Lord's Supper--Catholic Church--History of doctrines1
- Lorenzo, Betto di1