Series I: Library Directors and Deans, 1898-1996, lists Milner Library directors and deans and the links to their individual finding aids.
Series II: Administration, undated, 1912-1935, 1939-2013, contains mission statements, accreditation information, policies and procedures, annual reports, correspondence, and surveys.
Series III: Faculty and Staff,1951-20120, 2012, 2014, holds meeting minutes, manuals, Civil Service information, Administrative Professional information, and Faculty information.
Series IV: Committees, 1941-2012, contains meeting minutes, correspondence, and reports.
Series V: Finances, 1918-2009, 2011, contains library operational budget information, gift acknowledgments, information on grants and funds, and Faxon information.
Series VI: Facilities, 1925, 1935-1978, 1981, 1983-2011, contains information on construction, remodeling, and renovation of the library buildings.
Series VII: Departments, 1924, 1930-2015, holds information on individual departments within Milner Library as well as past branch libraries located throughout campus.
Series VIII: Friends of Milner, 1941, 1947-2001, 2008, holds the group's constitution, meeting minutes, event information, and miscellaneous ephemera and memorabilia.
Series IX: Marketing and Publicity, c. 1910, 1933-1979, 1987-2016, contains information on exhibits and events, newsletters, Reading With A Purpose transcripts, and publications.
Series X: Ephemera and Memorabilia, 1890-2018, contains original accession books, photographs, media, scrapbooks, and a collection of Milner objects.