Encyclopedias, Almanacs, Transcripts, and Maps
- Months, Special Devotions for
- Monti di Pietà
- Montiel
- Montmajour, Abbey of
- Montmartre (Paris), Abbey of
- Montor, Henry
- Móntoro, Antón de
- Montreuil, Abbey of
- Montreuil-les-Dames, Abbey of
- Montserrat, Abbey of
- Monzón
- Monzon, Abraham
- Mooney, Edward Francis
- Moonman, Eric
- Moonves, Les
- Moore, Edward Roberts
- Moore, George Foot°
- Moore, Thomas Verner
- Mopp
- Mopsik, Charles