Author
- Matteo dei Libri1
- Matthaeus Platearius1
- Matthew Paris1
- Matthew of Vendôme1
- Maximus of Turin1
- Medingen Abbey1
- Michel Foret1
- Michele Zopello1
- Michell Archer1
- Miles Huggarde1
- Monastery of San Andrés de Fanlo1
- Moses ben Jacob of Coucy1
- Nado de Tolomeo1
- Niccolò D'Andrea Piccolomini1
- Nicholas of Salerno1
- Nicolaccio de' Mignanellis1
- Nikolaus von Dinkelsbühl1
- Order of Saint Michael1
- Order of the Argonauts of Saint Nicholas1
- Orderic Vitalis1