Parentless Concepts
- Martialis, Marcus Valerius
- Martinus
- Martinus archidiaconus
- Masius
- Masius, Andreas
- Master-Thesis (ULG)
- Masterarbeit
- Mathilde of Tuscany
- Matthias
- Matthias Corvinus
- Mauerbach
- Maurice of Nassau
- Maximilian I
- Maximus of Tyre
- Mecca
- Megiser, Hieronymus
- Melanchton, Philipp
- Melander, Otto
- Menzel
- Merchamus
- Mertel, Elias
- Mesopotamia
- Mesue
- metadata only access
- Methodius