Collections
- Jessica Kross Papers
- Jayne Family Papers
- James W. and Elizabeth Vassar Letters
- James H. Van Gelder, and Rebecca P. Van Gelder Real Estate Documents
- James Francis McNamara Miscellaneous World War II Papers
- Jamaica Village Society Collection
- Jamaica South Plank Road Company Miscellaneous Records
- Jamaica and Merrick Plank Road Company Records
- Isaac E. Haviland Correspondence
Dated:1843-1848
- Horton Family Of Southold Miscellaneous Papers
Dated:1828-1865
- Hillcrest Citizens for Neighborhood Preservation Records
Dated:2003-2008
- Herbert Furman Seversmith Genealogical Working Papers
Dated:1939-1965