- Lamoignon de Basville, M. de (Nicolas), 1648-17241
- Latin language--Grammar1
- Letters, Papal1
- Library copies1
- Liturgical books1
- Local officials and employees--Salaries, etc.1
- Love poetry, Latin1
- Ludwig IV, Holy Roman Emperor, 1282?-13471
- Man-woman relationships1
- Manners and customs1
- Manuscripts, European1
- Manuscripts, Yiddish1
- Mary, Queen of Scots, 1542-15871
- Massachusetts--Williamstown1
- Maxims1
- Medicine, Medieval1
- Miserere1
- Monastic and religious life of women1
- Monasticism and religious orders--Rules1
- Montmorency family1