- Meadowcroft, Wm. H. (William Henry), 1853-1
- Mechanics.1
- Medals.1
- Military art and science.1
- Military ceremonies, honors, and salutes--United States.1
- Military ceremonies, honors, and salutes.1
- Miss America Pageant.1
- Moore, J. Hampton (Joseph Hampton), 1864-1950.1
- Motion picture actors and actresses.1
- Motor vehicles.1
- Mount Holyoke College.1
- National Geographic Society (U.S.)1
- Naval ceremonies, honors, and salutes.1
- Obstacle racing.1
- Ocean.1
- Oldfield, Barney, 1878-1946.1
- Outdoor recreation for children--France.1
- Ozark Mountains.1
- Pageants.1
- Parades--Missouri--Saint Louis.1