Theodore Brinton Hetzel papers and graphics (HC.MC.1168), Quaker & Special Collections, Haverford College, Haverford, PA.
Theodore Brinton Hetzel papers and graphics (HC.MC.1168), Quaker & Special Collections, Haverford College, Haverford, PA. https://archives.tricolib.brynmawr.edu//repositories/5/resources/572 Accessed April 23, 2024.
