Mackenzie, DeWitt.

The DeWitt Mackenzie Papers include war dispatches, correspondence, newspaper columns, photographs, unpublished memoirs, books and other files that document his life as an Associated Press correspondent.

Mager, Gerald M.

Reports, presentations, correspondence, and other materials created and collected by Gerald M. Mager while he was a professor in the School of Education at Syracuse University

Malina, Frank J.

Papers of the aeronautical engineer and artist. Collection includes exhibition notices and published material by and about Malina.

Martin, Keith, 1911-1983.

Papers of the American painter, collagist; died 1983. Collection includes correspondence (1933-1978); artwork reproductions and photographs; writings, including a reminiscence of Gertrude Stein; and memorabilia, including inventories of artwork, itineraries, photographs, financial material, exhibition announcements, invitations, and catalogs (1931-1987), and articles and reviews about Martin. Correspondence covers family, business, and personal correspondence, including that with Adelyn Breeskin, Tom L. Freudenheim, Henry Gorski, Lincoln F. Johnson, Ralph T. Millet, Wasyl Palijczuk, Charles Parkhurst, Brenda Richardson, Eleanor Patterson Spencer, Bertha Fanning Taylor, and Alice B. Toklas.

Mayer, Alfred M. (Alfred Marshall), 1836-1897.

Correspondence, 1863-1897; personal documents, manuscripts, and published material of the American physicist.

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.

Mayor, Alfred Goldsborough, 1868-1922.

Correspondence (1881-1926); typescript manuscripts, notebooks, photographs, sketchbooks, and printed material, including articles by and about Mayor, and newspaper clippings. Correspondence includes that of Anna Hyatt Huntington, Audella Beebe Hyatt, A. Hyatt Mayor, and Harriet Randolph Hyatt Mayor.

Mayor, Harriet H. (Harriet Hyatt), 1868-1960.

Correspondence (1892-1960); diaries, genealogical materials, notebooks, photographs, printed material, including articles and clippings, scrapbooks, memorabilia, and sketchbooks. Correspondence includes that of Adelaide Cole Chase, Clara Carter Hyatt Coad, Anna Hyatt and Archer M. Huntington, Audella Hyatt, and Alfred G. Mayor.

Mayor, Maria Snowden.

Correspondence, personal documents, and published material. Correspondence includes that of Audella Hyatt, Alfred G. Mayor, and Harriet Hyatt Mayor.

McCutcheon, John T. (John Tinney), 1870-1949

Papers of the American political cartoonist and war correspondent including over 600 original cartoons, writings, biographical material, published material and a scrapbook of clippings from World War I.

McHugh, Keith S.

Papers of the American business executive -- president of New York Telephone Company, vice-president of American Telephone and Telegraph, and New York State Commissioner of Commerce. Collection includes manuscript speeches, articles by and about McHugh, clippings, press releases, and published speeches.

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.

Medellin, Octavio, 1907 or 8-1999.

Papers of the Mexican-American sculptor, mosaicist, specialized in religious subjects. Correspondence (1941-1963), incoming and outgoing; artwork reproductions, 14 original sketches and other material relating to a number of church commissions; autobiographical essays, and memorabilia, including articles and reviews about Medellin (1941-1958), newspaper clippings (1936-1962), and exhibition catalogs. Correspondents include Ben Bailey, Xavier Gonzalez, Gyorgy Kepes, Carlos Merida, Cora Elder Stafford, Salvador Toscano, and Charles Umlauf.

Merton, Thomas, 1915-1968.

Papers of the American author, poet, Trappist monk. Articles, essays, poems, and ten notebooks (1963-1967).

Milgrom, Jack.

Collection consists largely of published material and reports collected and written by Jack Milgrom on the subjects of plastics in general, and specifically on the use of plastics in packaging and the recycling of plastics, as well as utility scrap and recycling in the auto industry.

Montagu, Ashley, 1905-1999

Papers of the American anthropologist. Collection contains book manuscripts (1943-1967); published and printed material (1929-1967), including articles by and about Montagu; book reviews.

Montross, Lynn, 1895-1961.

American military historian, author. Collection contains correspondence, scrapbooks, notes, manuscripts, and published material. Correspondents include Bruce Catton, H.L. Mencken, and Francis E. Walter.

Moses, Robert, 1888-1981.

The papers of the American city planner and administrator of the Triborough Bridge Authority and the Power Authority of the State of New York include bound and unbound reports containing articles, speeches, and clippings by and about Moses. Much of the material concerns transportation improvements and hydroelectric plants at Niagara Falls and Messena.

Mullican, Lee, 1919-1998

Papers of the American painter, sculptor, educator. Collection includes artwork reproductions used in advertisements and for magazine covers and illustrations; articles and reviews (1950-1966); newspaper clippings (1952-1967), and exhibition catalogs and invitations (1949-1971) for group and one-person shows.

Myers, James, 1882-

Papers of the American Presbyterian minister, author, and labor relations activist. Collection includes correspondence (1926-1964); articles, books manuscripts and drafts, pamphlets, speeches; photographs and scrapbooks (1894-1913).