Lionel Pincus and Princess Firyal Map Division, The New York Public Library. "Chart of the N.W. coast of America, and N.E. coast of Asia " The New York Public Library Digital Collections. 1780 - 1789. http://digitalcollections.nypl.org/items/7b73ace0-ed89-0135-1790-23dd48b968c8
Lionel Pincus and Princess Firyal Map Division, The New York Public Library. "Chart of the N.W. coast of America, and N.E. coast of Asia " New York Public Library Digital Collections. Accessed May 25, 2019. http://digitalcollections.nypl.org/items/7b73ace0-ed89-0135-1790-23dd48b968c8
Lionel Pincus and Princess Firyal Map Division, The New York Public Library. (1780 - 1789). Chart of the N.W. coast of America, and N.E. coast of Asia Retrieved from http://digitalcollections.nypl.org/items/7b73ace0-ed89-0135-1790-23dd48b968c8
<ref name=NYPL>{{cite web | url=http://digitalcollections.nypl.org/items/7b73ace0-ed89-0135-1790-23dd48b968c8 | title=
(cartographic)
Chart of the N.W. coast of America, and N.E. coast of Asia , (1780 - 1789)
}}
|author=Digital Collections, The New York Public Library |accessdate=May 25, 2019 |publisher=The New York Public Library, Astor, Lennox, and Tilden Foundation}}</ref>
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