- Kālī (Hindu deity)1
- Lacquered bindings1
- Lakshmī (Hindu deity)1
- Latin poetry, Medieval and modern1
- Lingas (Śaivism)1
- Liturgy and poetry1
- Lord's Supper1
- Luria, Isaac ben Solomon, 1534-15721
- Manuscript fragments1
- Manuscript waste1
- Manuscripts, Aramaic1
- Manuscripts, English (Middle)1
- Manuscripts, Ethiopic1
- Manuscripts, Prakrit1
- Manuscripts, Turkish1
- Mary, Blessed Virgin, Saint, in the liturgy1
- Massachusetts--Boston1
- Massachusetts--Wellesley1
- Medea, consort of Aegeus, King of Athens (Mythological character)1
- Meditations1