Parentless Concepts
- 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
- Metzler, Johann Michael
- Meursius, Johannes
- Mexía, Pedro
- Mignault, Claude
- Miklós Istvanffy, Historia Hungarica
- Mikulov
- Milan
- Minadoi, Giovanni Tommaso
- Mirandola
- Mirchond
- Mirchond, Rawżat aṣ-ṣafāʾ