- Logic115
- Logic, Medieval17
- Lopez Bulhão, Antonio, active 1510-15151
- Lord's Supper1
- Lorenzo, Betto di1
- Lorenzo, Giovanni Battista di1
- Lorenzo, Guidone di1
- Lorenzo, Lello di1
- Lorenzo, Vanna di1
- Lotti, Piero1
- Louis XII, King of France, 1462-15151
- Love1
- Love poetry, Arabic1
- Love poetry, Indic8
- Love--Philosophy1
- Love--Religious aspects--Hinduism2
- Lubāb al-iʻrāb al-māniʻ min al-laḥn fī al-sunnah wa-al-Kitāb (Shaʻrānī, ʻAbd al-Wahhāb ibn Aḥmad)1
- Luca, Jacopo di2
- Ludovico Sforza, Duke of Milan, 1452-15081
- Lumbres, Ernulfus de1