Chronological Table of Arctic Discovery (HC.MC.975.11.005), Quaker & Special Collections, Haverford College, Haverford, PA.
Chronological Table of Arctic Discovery (HC.MC.975.11.005), Quaker & Special Collections, Haverford College, Haverford, PA. https://archives.tricolib.brynmawr.edu//repositories/5/resources/1108 Accessed April 24, 2024.
