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
bklynremembered@aol.com

Manhattan Historian: Robert W. Snyder
rsnyder@manhattanbp.nyc.gov

Queens Historian: Jack Eichenbaum
jaconet@aol.com
​
Staten Island Historian: Thomas Matteo
sihistorian@aol.com