Names
- More, Paul Elmer, 1864-1937.1
- Morison, Samuel Eliot, 1887-1976.1
- Muir, Ramsay, 1872-1941.1
- Murfin, James Orin, 1875-1940.1
- Myers, Albert Cook, 1874-1960.1
- National Security League.1
- Nearing, Scott, 1883-1
- Nearing, Scott, 1883-1983.1
- Nevins, Allan, 1890-1971.1
- North, Lucian Gregory, 1850-1925.1
- Notestein, Wallace, 1878-1969.1
- Oberholtzer, Ellis Paxson, 1868-1936.1
- Osborn, Chase S. (Chase Salmon), 1860-1
- Osborn, Chase S. (Chase Salmon), b. 18601
- Pattengill, Henry Romaine, 1852-1918.1
- Patterson, John C., 1838-1910.1
- Paxson, Frederic L. (Frederic Logan), 1877-1948.1
- Pearson, Karl G.1
- Pease, Theodore Calvin, 1887-1948.1
- Pelzer, Louis, 1879-1946.1