Encyclopedias, Almanacs, Transcripts, and Maps
- Massaja, Guglielmo
- Massarani, Tullo
- Massarano, Jacchino or Isacchino
- Massary, Fritzi
- Massekhet
- Massell, Sam Jr.
- Masserman, Jules Homan
- Masses
- Masses, Votive
- Massillon, Jean Baptiste
- Massoulié, Antonin
- Massu'ot Yiẓḥak
- Mastbaum, Joel
- Mastema
- Master of Ceremonies
- Master, Arthur M.
- Mastrius, Bartholomaeus
- Masturbation
- Mat, Moses
- Mat?ce?a