- Documents from the County Manager's Library, 1889-19942,257
- Records of the Arlington Heritage Alliance, Inc., 1976-2006996
- Records of the Arlington County Civic Federation, 1928-2008788
- Arlington County Public Schools, 1909-2005751
- Records of the Organized Women Voters of Arlington County, 1923-2015514
- The Personal Papers of Dorothea E. Abbott, 1950-1999500
- Records from the School Health Nurses, Arlington Public Schools, 1934-1991366
- Arlington Outdoor Education Association Records, 1947-2017333
- Records of the American Association of University Women, Arlington Branch, 1943-2005311
- Eleanor Lee Templeman Photograph Collection307
- Arlington Coalition on Transportation (ACT) Records, 1958-2001284
- Records of the Rock Spring Congregational United Church of Christ [UCC], 1908-2003284
- McGeary Campaign Literature Collection, 1951-2010261
- Personal Papers of Mary A. Marshall, 1938-1992258
- Gail Baker Collected Materials, 1938-2002256