Names
- Morgenthau, Henry, 1856-1946.1
- Mott, Charles Stewart, 1875-1973.1
- Murfin, James Orin, 1875-1940.1
- Murphy, Frank, 1890-1949.1
- Murrow, Edward R.1
- Mussolini, Benito, 1883-1945.1
- National Association for the Advancement of Colored People.1
- National Research Council (U.S.)1
- Nelson, J. Raleigh (Joseph Raleigh)1
- Nimitz, Chester W. (Chester William), 1885-1966.1
- Noble, Gladwyn Kingsley, 1894-1940.1
- Okkelberg, Peter Olaus, 1880-1
- Osborn, Chase S. (Chase Salmon), 1860-1
- Page, Herman, 1866-1942.1
- Paxson, Frederic L. (Frederic Logan), 1877-1948.1
- Peale, Norman Vincent, 1898-1993.1
- Pearse, A. S. (Arthur Sperry), 1877-1956.1
- Peckham, Howard H. (Howard Henry), 1910-1995.1
- Peterson, Enoch Ernest, 1891-1
- Peterson, Reuben, 1862-1942.1