- 1 Microscopes
- 1 Middle class
- 2 Middlesex County, New Jersey
- 1 Middleton Granite Quarry
- 1 Middletown Plate Co.
- 4 Middletown Township, Pennsylvania
- 2 Middletown, Connecticut
- 1 Midhard, C.
- 1 Midland, Texas
- 1 Midnight Yarn Co.
- 34 Mid-rise buildings
- 15 Midvale Avenue
- 1 Midway Geyser Basin
- 1 Midwest (United States), The
- 12 Midwives
- 1 Mifflin Land Association
- 21 Mifflin Street
- 1 Mifflin, Thomas, 1744-1800
- 1 Miggs (Fictitious character)
- 1 Miglioretti
- 3 Milan, Italy
- 1 Milestown
- 1 Milford, Michigan
- 2 Militarism
- 2 Military academies (buildings)
- 2 Military aircraft
- 5 Military art & science
- 3 Military bands
- 1 Military bases
- 4 Military buildings
- 12 Military camps
- 2 Military cemeteries (veteran cemeteries)
- 6 Military decorations
- 5 Military headquarters
- 49 Military history
- 63 Military hospitals
- 1 Military leadership
- 1 Military life
- 2 Military mobilizations
- 1 Military occupations
