- Morley Jeffers Williams Collection, 1602/19672
- Morton Genealogy Collection, 1830/19783
- Nortfolcia Norfolk (Reproduction), 16481
- Ollen Lawrence Burnette, Jr. papers, 1815/20141
- Oxonium Comitatus Vulgo Oxfordshire (Reproduction), 16481
- Papers of the Low Moor Iron Company
1873-19271
- Paul Stevens map collection, 1541/17781
- Peru legal document, 1648/16491
- Raleigh (Ralegh) and Carew family correspondence, 1500/16521
- Richard G. Joynt Collection of British Manuscripts, 1593/20151
- Richard J. DeMartino papers, 1910/19651
- Richard Lee Morton papers, 1756/2006, bulk 1930/19691
- Saint Andrew's Society of Washington, D.C. records, 1861/19951
- Samuel H. Yonge papers, 1890/19351
- Sheet Music Collection, 1827/19742