- Mourning-Cloak Butterfly
- Mousquetaire or Cavalier Costume 1620 - 1640
- Mousterian Spear-head
- Mousterian Spear-head
- Mousterians on the march
- Mousterians on the march
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth
- Mouth 4
- Mouth appendages of cockroach
- Mouth-parts of Honey Bee
- Movable iron cage
- Moveable Quintain—XIV. Century
- Moyea Wagonette
- Mr Bensley's Machine
- Mr Colquhoun
- Mr H H Champion
- Mr Hobbs
- Mr Liston in his own character
- Mr Reilly
- Mr Stern at the Spinet
- Mr. (afterwards Sir) Rowland Hill
- Mr. Alderman Abell and Richard Kilvert, the two maine Projectors for Wine, 1641
- Mr. Daniel Bourn’s Roller Wheel Waggon -1763
- Mr. Disraeli in his Youth
- Mr. Dustan saving his children
- Mr. Gladstone
- Mr. Higginson’s Transfusion Instrument
- Mr. Lloyd George
- Mr. Smith's Tortoiseshell He-Cat
- Mrs Hemans
- Mrs John Lewes
- Mrs Pitezel
- Mrs. Benjamin Harrison
- Mrs. Fiske
- Mrs. William Clark
- MS
- Muk-hul′ahs and Mirweds
- Mullberry Bush
- Mullberry Bush - bw
- Multiple-engined craft
- Mummers.—XIV. Century