Items in New York Heritage are organized into collections, which provide additional context for understanding their significance and meaning.

A collection of interview transcripts from NCCC Former faculty members.
A collection of photographs and photographs of architectural drawings pertaining to the construction of the O’Brien Building.
These materials were usedby Dr. Eugene Milener during the compilation of his book, Oneonta: The Development of a Railroad Town, which he subsequently donated to the college archives.
Directory of Oneonta for 1901-1902: a classified business directory and householder's street directory together with a compendium of the village government, institutions, incorporated companies, societies, miscellaneous organizations, etc.
This collection contains publications by the Oswego Historical Society from 1899 to 1976.