Author
Historical Society of Pennsylvania
3
Gorelick, Joseph
2
Shapiro, Morris
2
Workmen's Circle (U.S.) Philadelphia District Educational Department
2
Armstrong, Edward
1
Balch Institute for Ethnic Studies
1
Battell, Philip, 1807-1897
1
Brainerd, Ezra, 1844-1924
1
Maryland Historical Society
1
Middlebury Historical Society (Middlebury, Vt.)
1
Pennsylvania Historical and Museum Commission
1
Seely, Henry Martyn, 1828-1917
1
Workmen's Circle (U.S.) Philadelphia District
1
Workmen's Circle (U.S.). Philadelphia District
1