Author
- Leo I1
- Leon Battista Alberti1
- Leonardo Mainardi1
- Luca Pacioli1
- Luis Velasco1
- Mahmud ibn Abd al-Rahman al-Isfahani1
- Majd ad-Dīn Ibn Athir1
- Matthew Paris1
- Matthias von Liegnitz1
- Maximus of Turin1
- Maḥmūd ibn Ibrāhīm Ḥaṣīrī1
- Medingen Abbey1
- Mehmed II1
- Michele Zopello1
- Morienus1
- Moses ben Jacob of Coucy1
- Mudlijī, Aḥmad ibn ʻUmar, d. 13551
- Muhammad ibn Yusuf al-Harawi1
- Muhaqqiq al-Hilli1
- Mundhirī1