Names
- Moody, Blair, 1902-1954.1
- Moore, Charles, 1855-1942.1
- Morgenthau, Henry, 1856-1946.1
- Mott, Charles Stewart, 1875-1973.1
- Munro, William Bennett, 1875-1957.1
- National Association for the Advancement of Colored People.1
- National Research Council (U.S.)1
- Nelson, J. Raleigh (Joseph Raleigh)1
- Newberry, Truman Handy, 1864-1945.1
- Newkirk, Henry Wirt, 1854-1946.1
- Nimitz, Chester W. (Chester William), 1885-1966.1
- Noble, Gladwyn Kingsley, 1894-1940.1
- Novy, Frederick George, 1864-1957.1
- Ogg, Frederic Austin, 1878-1951.1
- Okkelberg, Peter Olaus, 1880-1
- Osborn, Chase S. (Chase Salmon), b. 1860.1
- Page, Herman, 1866-1942.1
- Panama Canal.1
- Pattengill, Albert Henderson, 1842-1906.1
- Patterson, George W. (George Washington), 1864-1930.1