Salesman's Canvassing Book, the Centennial Exposition (HC.MC. 801.11.004), Quaker & Special Collections, Haverford College, Haverford, PA.
Salesman's Canvassing Book, the Centennial Exposition (HC.MC. 801.11.004), Quaker & Special Collections, Haverford College, Haverford, PA. https://archives.tricolib.brynmawr.edu//repositories/5/resources/5773 Accessed February 12, 2025.
