Author
- Lucius Fenestella1
- Luís Teixeira1
- Macrobius1
- Magister Contarinus1
- Malavolti family1
- Marbodius of Rennes1
- Marcantonio Aldegati1
- Marcus Gavius Apicius1
- Marcus Manilius1
- Martianus Capella1
- Martin of Braga1
- Martin of Opava1
- Martin of Tours1
- Matthaeus Platearius1
- Matthew Paris1
- Matthew of Vendôme1
- Maximus of Turin1
- Medingen Abbey1
- Michele Zopello1
- Monastery of San Andrés de Fanlo1