- Letter writing1
- Lilium medicinae (Bernard, de Gordon)1
- Lists1
- Literature, Medieval1
- Little office of the Blessed Virgin Mary (Catholic Church)1
- Local officials and employees--Salaries, etc.1
- Lord's prayer1
- Love poetry, Arabic1
- Love poetry, English (Middle)1
- Love poetry, Latin1
- Love songs1
- Low German language1
- Luke, Saint1
- Lunar eclipses1
- Mabādiʼ fī al-taṣrīf (Zanjānī, ʻAbd al-Wahhāb ibn Ibrāhīm)1
- Magic1
- Magic--Religious aspects--Christianity1
- Magistrates, Roman1
- Magna Carta1
- Malchus, Saint1