The Tragedy of Urban Renewal: The destruction and survival of a New York City neighborhood
​https://reason.com/2011/09/28/the-tragedy-of-urban-renewal-t/

Columbus Amsterdam Business Improvement District
www.columbusamsterdambid.org 

Museum of the City of New York
www.mcny.org.

New York Public Library
www.nypl.org

New York Historical Society
www.nyhistory.org

New York City Municipal Archives
www.nyc.gov/html/records/html/about/archives.shtml 

New York State Archives
www.archivesnysed.gov

Preservation League of NY
 www.preservenys.org

New York City Borough Historians

Bronx Historian: Lloyd Ultan
718-884-8665

Brooklyn Historian: Ron Schweiger
[email protected]

Manhattan Historian: Robert W. Snyder
[email protected]

Queens Historian: Jack Eichenbaum
[email protected]
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Staten Island Historian: Thomas Matteo
[email protected]