Lionel Pincus and Princess Firyal Map Division, The New York Public Library. "Lower East Side" The New York Public Library Digital Collections. http://digitalcollections.nypl.org/items/e5af9d00-35bb-0136-ebc0-0006fe1b4203
Lionel Pincus and Princess Firyal Map Division, The New York Public Library. "Lower East Side" New York Public Library Digital Collections. Accessed April 24, 2019. http://digitalcollections.nypl.org/items/e5af9d00-35bb-0136-ebc0-0006fe1b4203
Lionel Pincus and Princess Firyal Map Division, The New York Public Library. Lower East Side Retrieved from http://digitalcollections.nypl.org/items/e5af9d00-35bb-0136-ebc0-0006fe1b4203
<ref name=NYPL>{{cite web | url=http://digitalcollections.nypl.org/items/e5af9d00-35bb-0136-ebc0-0006fe1b4203 | title=
Lower East Side }}
|author=Digital Collections, The New York Public Library |accessdate=April 24, 2019 |publisher=The New York Public Library, Astor, Lennox, and Tilden Foundation}}</ref>
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