The Library will be CLOSED on Sunday, April 21 for Easter.
Our Events Calendar is not functioning properly. To register for a program, please call the library and have your library card number available. We apologize for the inconvenience.
Monday-Friday: 9:30 AM-9:00 PM
Saturday: 9:30 AM-5:00 PM
Sunday: 1:00 PM-5:00 PM
Genealogical & Historical Societies in New York City and State
Historic Map Works
Historical Societies in Nassau County
Historical Societies in Suffolk County
Historical Society of Greater Port Jefferson
Long Island History Journal
Miller Place-Mount Sinai Historical Society
New York City Transit History
New York Heritage Digital Collection
Suffolk County Historic Documents Library
Suffolk County Historical Society