This folder contains letters from correspondents whose last or organization names begin with the letter M.

Correspondents include: Reverend J.J. Marchetti, S.J., Maryknoll Convent, Mary and Richard (last names unlisted), Sister Mary Dorita, Sister Mary Lowder, Mother M. Lucina, Sister Mary Virginia, R. B. McClure, Alice McMillins, the Meltons, Clement S. Mihanovich, Missouri Academy of Science, University of Missouri, Petra Moore, Edith and Jack Moyer, John J. Mulloy, Carmen Maria Munoz.

Notable correspondence: Jerome J. Marchetti, S. J. asks Allen Spitzer to serve on "a faculty committee to explore further the possibility of . . . a conference" on the mutual problems of industry and the liberal arts (9-14-55); included are minutes of the committee's meeting of October 7, 1955. Lorraine Melton inquires about Allen's health: "I didn't think Allen would ever return from the Islands. [. . .] I feared he had a form of bone cancer."