- Leo X, Pope, 1475-15211
- Letter of Aristeas1
- Letter writing, Arabic1
- Letter writing, Hebrew1
- Letter writing, Persian1
- Letters patent1
- León, Luis de, 1527-15911
- Liturgical books1
- Liturgies1
- Loans (Islamic law)1
- Local officials and employees--Salaries, etc.1
- Longevity--Religious aspects--Islam1
- Love poetry1
- Love poetry, Arabic1
- Love--Philosophy1
- Lubāb al-iʻrāb al-māniʻ min al-laḥn fī al-sunnah wa-al-Kitāb (Shaʻrānī, ʻAbd al-Wahhāb ibn Aḥmad)1
- Lyric poetry1
- Lāmīyah (Zaqqāq, ʻAlī ibn Qāsim)1
- Mabādiʼ fī al-taṣrīf (Zanjānī, ʻAbd al-Wahhāb ibn Ibrāhīm)1
- Magen David1