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

This collection includes the papers of or relating to Rev. John Christopher Hartwick and the establishment of the Hartwick Seminary. The documents reflect the life of John Christopher Hartwick, and his work with the Lutheran Synod.
A collection exemplifying of english pottery dating between 1790 and 1860.
Materials documenting the City of Buffalo and Niagara Frontier in 1825.
Photographs and documents relating to Fairfield Medical College, an upstate New York medical college associated with Geneva Medical College and Syracuse University Medical College in the mid-to-late 19th century.
These pamphlets range from publication dates in the eighteenth, nineteenth and twentieth century, with the bulk published in the 1800s. Many of the books and pamphlets in this collection are listed in The Annals of Murder: a bibliography of books and pamphlets on American murders from Colonial times to 1900, compiled by Thomas M. McDade. The nineteenth-century pamphlets in this collection were drawn from the holdings of the Research Library of the New York State Historical Association (NYSHA) in Cooperstown, New York. NYSHA's collection of murder pamphlets contains 400 items published primarily in the 18th-19th centuries. These pamphlets document the changing perception of the murderer from a repentant sinner to a monstrous deviant.

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