Mayor, A. Hyatt (Alpheus Hyatt), 1901-1980.

Correspondence, 1904-1946; photographs, juvenilia, and printed material. Correspondence includes that of Anna Hyatt Huntington, Audella Hyatt, Leon Kroll, Alfred G. Mayor, and Harriet Randolph Hyatt Mayor.

MacGrath, Harold, 1871-1932

Letters, an illustration, a photograph, and writings of the Syracuse journalist and popular romance novelist, many of whose works were made into motion pictures.

Markham, Edwin, 1852-1940.

Correspondence, manuscripts, miscellany of the American poet and author.

Mangan, Sherry, 1904-1961

Mangan was an editor, poet, novelist and short story writer who largely associated with American expatriate writers in Paris during the 1930s . He was a fervent Marxist and was active in the left-wing underground in Paris during the Nazi occupation. The collection contains letters from Mangan to his publishers plus the typescript of a short story.

McCaffrey, George Herbert, 1890-1954.

Papers of the U.S. Army officer. Drafts of an autobiographical account of McCaffrey's military governorship training and tour of duty in Italy during the Allied occupation; and other military documents.

McKinley, John, 1921-2011

Writings, correspondence, memorabilia of the adult educator, proponent of Participation Training and developer of the Indiana Plan (for adult education in the church); also includes published writings by others.

Masterson, Dan, 1934-

Papers of the American poet. Collection comprises detailed submission records covering approximately 25 years and worksheets for nearly 100 poems, among which is a large binder of research material, notes, photographs, drafts, worksheets, and publisher correspondence relating to Masterson's poem "Avalanche."

McPheron, W. F.

Handwritten biography of John Wainwright of Syracuse, New York. Apparently part of a larger work since it is headed "Chapter 17."