- Allen Family Papers, 1766/19331
- Anthony Ware, Miscellaneous Papers, 1773/18861
- Ashcraft Family Genealogy, 1732/19721
- Aurora, Preston County Papers, 1754/19001
- Boots (Steiffel) and Peterson (Biedert) Families Genealogies, 1771/19851
- Boyers Morgan Clark, Compiler, Genealogy Records, 1660/19551
- Bradford Laidley Papers, 1755/19911
- Brooks F. McCabe, Collector, Papers, 1770/20191
- Brown Family Papers, Photographs and Maps, 1765/19591
- Byer Family Genealogy, 1726/19381
- Charles Shetler, Curator and Historian, Papers, 1700/19651
- Christopher Beeler Will, 17731
- Currency Collection, 1772/18991
- David Hunter Strother, Artist, Artwork and Papers, 1744/1996, bulk 1833/18871
- Davis-Meranda Family of Clark County, Ohio, Genealogy, 1770/18501