- Elanora Peake Zint Collection (MS345), 1924/20061
- Eleanor Lee Templeman Collection (MS061), 1810/199016
- Esther Holliday Green Collection (MS073), 1859/19821
- Historic Alexandria Foundation Records (MS070), 1949/19955
- Historic House Tours Collection (MS059), 1931/20171
- James B. Lynch Collection (MS022), 1974/19932
- James E. Foley Railroad Collection (MS405), 1869/20023
- Margaret M. MacGill Genealogy Collection (MS254), 20184
- McKenney-Mills Collection (MS413), 20005
- Old Town Civic Association (MS291), 1951/19928
- Potomac Yard Collection (MS050), 1927/20005
- Robert H. McNulty Papers (MS282), 1970/19912
- Rosemont Historic District (MS262), 1991/19931
- Ruth Kaye Collection (MS029), 1970/20101
- Sangster Papers (MS294), 1853/18912