The collection contains correspondence, photographs, memorabilia, and printed matter of American educator and librarian, Maurice Kelley (Princeton Class of 1934). Also included are correspondence of Kelley and Hamilton Cottier, with a journal (1935), concerning the Princeton Bibliographical Society; correspondence and newspaper reviews of Kelley's book about John Milton, This Great Argument (1941); general correspondence; a few personal photographs; and newspaper clippings about a bicycle trip taken by Kelley in 1940 to Canada over Benedict Arnold's trail. Includes letters written during World War II from students to Kelley, and material relating to his service as acting librarian of Princeton's Firestone Library (1951-1953). There is also a framed expression of appreciation from the library staff to Kelley upon his return to the English Dept. in 1953.