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

Madison County Atlases


Oneida Public Library

An atlas of Madison County, New York published by Alexander Pomeroy in 1875.

Mark Twain Collection


Elmira College - Gannett-Tripp Library

This collection consists of letters and marginalia of Samuel Clemens, artifacts associated with him and photos having to do with Clemens' time in Elmira and the family and friends that comprised his circle.

Maurice Leyden Collection


Binghamton University - Binghamton University Libraries

The Maurice Leyden Collection consists of diaries, photographs, correspondence, financial records, essays and military records of Maurice Leyden. The collection also includes twenty-two diaries, dating from 1860-1886 and written Sarah Woodruff Pottle, a relative of Mr. Leyden, as well as, four diaries spanning the years between 1897 and 1908 and belonging to Blanche Leyden, Maurice Leyden's daughter.

Mining Collection


Adirondack History Center Museum - Essex County Historical Society

A collection of mineral samples, artifacts, and photographs relating to the history of mining in Essex County