Main content
Mary Elizabeth Hallock Greenewalt papers, 1879-1950 (bulk) 1769-1950, undated (inclusive)
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Friends Historical Library of Swarthmore College [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: University of Pennsylvania: Penn Museum Archives [Contact Us]
Held at: University of Pennsylvania: Penn Museum Archives [Contact Us]
Held at: Haverford College Quaker & Special Collections [Contact Us]
Held at: Friends Historical Library of Swarthmore College [Contact Us]
Held at: Friends Historical Library of Swarthmore College [Contact Us]
Held at: Historical Society of Frankford [Contact Us]
Held at: Kennett Township Historical Commission [Contact Us]
Held at: Philadelphia History Museum [Contact Us]
Held at: Swarthmore College Peace Collection [Contact Us]
Held at: Swarthmore College Peace Collection [Contact Us]
Held at: Swarthmore College Peace Collection [Contact Us]
Held at: Quaker Meeting Records at Haverford College Quaker & Special Collections and Friends Historical Library of Swarthmore College [Contact Us]
Held at: Radnor Historical Society [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]
Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]