- Robert Hume Bashaw Papers (MS320), 1833/187028
- Alexandria History Collection (MS240), 1767/200827
- Cazenove Family Papers (MS212), 1786/197021
- Armistead Boothe Papers (MS164), 1803/199016
- Penny C. Morrill Collection (MS104), 1970/198012
- The Virginia American Water Company Collection (MS103), 1866/198810
- Alexandria Library Company Records (MS002), 1794/20079
- Esther Holliday Green Collection (MS073), 1859/19829
- St. John's Academy Records (MS004), 1833/18999
- Daniel O'Sullivan Collection (MS141), 1850/19128
- Helen Norris Cummings Papers (MS072), 1865/19498
- William Gregory Family Papers (MS417), 1771/19938
- Milton Penn Collection (MS267), 1794/18937
- Boush/Asher Family Collection (MS234), 1856/19495
- James S. Hallowell Collection (MS132), 1840/18715