Encyclopedias, Almanacs, Transcripts, and Maps
- Material Balances
- Material Product System
- Mathematicians
- Mathematicians and Scientists
- Mather, Cotton, Cheever, Ezekiel, and Sewall, Samuel
- Mathew, Edward
- Mathews, George
- Mathis, Johnny (Mathias, John Royce)
- Matilda, Empress
- Matina Souretis Horner
- Matisse, Henri (1869–1954)
- Matross
- Matson's Ford, Pennsylvania
- Matt Urban
- Matta Echaurren, Roberto Sebastián Antonio
- Matter, Theories of
- Matthew B. Ridgway
- Matveyev, Artamon Sergeyevich
- Mau Mau, Africa
- Mauchte, St