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

Petitions signed by the residents of Oneida County calling for an end to slavery in the mid-19th century.
This collection contains publications by the Oswego Historical Society from 1899 to 1976.
A collection of reports, minutes, and scrapbooks relating to New York State chapters of the Woman’s Christian Temperance Union, the bulk of which relate to the Unadilla, New York local union.