- Marson, Una1
- Masaoka, Mike, 1915-1
- Matson, Alex, 1888-19721
- McCloskey, Robert, 1914-20031
- Meier, A1
- Metres, Philip, 1970-1
- Metropolitan Music School (New York, N.Y.)1
- Métraux, Rhoda, 1914-20031
- Miller, Henry, 1891-1980.1
- Millsap, Walter, 1886-19711
- Mouse, Stanley, 1940-1
- Mulford, Wendy1
- Nadezhin, Nikolai Alexandrovich, 1885-19591
- Nash, Jørgen1
- Nevins, Iris.1
- New York Committee to Free Angela Davis1
- Nider, Johannes, ca. 1380-14381
- Nordland, Eva, 1921-20121
- North Harlem Dental Society1
- Norton, Eliot, lawyer1
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