Author
Deutscher Pionier-Verein (Philadelphia, Pa.)
2
Horrmann, Friedrich, 1832-1904
2
Maisch, John M. 1831-1893
2
Durand, Elias, 1794-1873
1
Engelmann, George, 1809-1884
1
Goyne, Minetta Altgelt, 1924-
1
Harshberger, John W. 1869-1929,
1
Historical Society of Pennsylvania
1
Lindheimer, Ferdinand, 1801-1879
1
Savage, Elizabeth J., 1908-1994
1
Savage, Henry, Jr., 1903-1990
1