- 2 Morrison, Cornelia
- 1 Morristown, Tennessee
- 2 Morrisville, Pennsylvania
- 1 Morro Castle
- 1 Morrow, Dwight W., 1873-1931
- 2 Morse Elevator Works (Morse, Williams & Co.) (Elevators)
- 3 Morson, Georgiana
- 1 Mortar (filler)
- 2 Mortars (artillery)
- 1 Mortgages
- 2 Morton Street
- 1 Morton, George, -1624
- 1 Morton, Henry J. (Henry Jackson), 1807-1890
- 1 Morton, John Maddison, 1811-1891
- 13 Mosaics
- 1 Moscow, Russia
- 34 Moses (Biblical leader)
- 2 Moses (Biblical leader) - Preaching
- 1 Moses (Biblical leader) - Removing sandals
- 1 Moses (Biblical leader) - Striking the rock
- 1 Moses How (Firm)
- 6 Moses trampling on the crown of Pharaoh (Sculpture)
- 1 Mosques (buildings)
- 1 Mosses
- 1 Motala Mekaniska Verkstad
- 3 Mother Earth (Mother Nature)
- 1 Mother Goose
- 23 Mothers
- 23 Mothers & children
- 7 Moths
- 1 Motion
- 70 Motion picture posters
- 29 Motion picture theaters
- 71 Motion pictures (visual works)
- 1 Motion sickness
- 1 Motion-picture cameras
- 6 Motor vehicles
- 1 Motorboats
- 10 Motorcycles
- 7 Mott Fountain (Philadelphia, Pa.)
