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

Photographs relating to the Love Canal environmental tragedy in the late 20th century.
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.
Selected issues of the newspaper, National Anti-Slavery Standard, which promoted equality and emancipation during the mid-19th century.
An issue of the National Freedman, an anti-slavery publication, from 1865.
The abolitionist newspaper, New National Era, was published by Frederick Douglass in Washington, D.C. between 1870 and 1874.

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