Encyclopedias, Almanacs, Transcripts, and Maps
- Marcus, Rudolph Arthur
- Marcus, Ruth Barcan
- Marcus, Siegfried
- Marcus, Stanley
- Marcuse, Ludwig
- Marcuse, Moses
- Marczali, Henrik
- Mardin
- Maréchal, Ambrose
- Maréchal, Joseph
- Maredsous, Abbey of
- Marek, Pesach
- Marello, Giuseppe (Joseph), Bl.
- Marescotti, Hyacintha, St.
- Mareshah
- Maret, Henri Louis Charles
- Margaliot (Margulies), Mordecai
- Margaliot, Reuben
- Margalit, Dan
- Margalit, Meir