Collections
- Bible Collection, 1599-18691
- Biography Vertical Files, undated1
- Blasie Family Papers, 1860-19501
- Bleecker Family Papers Inventory, 1751-18381
- Boardman & Gray’s Piano Manufactory Collection, 1848-20071
- Boyd Family Papers, 1835-19781
- Brady Papers Inventory, 1889-19341
- Burdick Family Papers, circa 1850s - 19951
- Burghart Family Papers Inventory, 1763-18161
- Burlingame House Photograph Collection, circa 19201
- Capitol Hill Choral Society Records, 1953-19871
- Capitol Hill Choral Society Sheet Music Collection Inventory, 1967-19691
- Cased Photograph Collection, 1859-19001
- Cathedral of All Saints Drawings, circa 18831
- Center Square Association, Inc. Records, 1958-2013, bulk 1980-20001
- Charles Alexander Clinton Papers, 1819-18551
- Charles Calverley Portfolio for Robert Burns Statue, 1873-18891
- City Neighbors Project, 1975-20011
- Clarence Hamilton Corning Papers, 1864-circa 19001
- Consolidated Car Heating Company Inventory, 1887-19691