Isaac Hacker diaries (HC.MC.975.01.032), Quaker & Special Collections, Haverford College, Haverford, PA.
Isaac Hacker diaries (HC.MC.975.01.032), Quaker & Special Collections, Haverford College, Haverford, PA. https://archives.tricolib.brynmawr.edu//repositories/5/resources/731 Accessed April 16, 2024.
