- Lent1
- Lent--Liturgy1
- Letter writing, German1
- Liebfrauenkirche (Halberstadt, Germany)1
- Lord's Supper--Adoration1
- Lord's Supper--Catholic Church1
- Low German language1
- Magic1
- Magic squares1
- Manuscripts, Czech1
- Manuscripts, Italian1
- Mary, Blessed Virgin, Saint1
- Maximilian I, Holy Roman Emperor, 1459-15191
- Medical astrology1
- Medicinal plants1
- Medicine, Magic, mystic, and spagiric1
- Medicine, Medieval1
- Meistersinger1
- Monastic and religious life of women1
- Monasticism and religious orders1