Encyclopedias, Almanacs, Transcripts, and Maps
- Methylmalonicaciduria Due to Methylmalonic CoA Mutase Deficiency
- Meton
- Metopomancy
- Metoposcopy
- Metratton
- Metropolitan Spiritual Churches of Christ
- Metzger, Herman Joseph (1919-1990)
- Mexico and Central America
- Meyer, Gustav (1868-1932)
- Meyer, Jean (d. 1931)
- Mhorag (or Morag)
- Michael Clifford
- Michael Collins and Edwin E. "Buzz" Aldrin Jr.
- Michael Constantine Psellus
- Michael George Francis Ventris
- Michael H. Freedman
- Michael Mästlin
- Michael Morrison
- Michael S. Brown
- Michael S. Gazzinga