Author
Page, William, 1861-1934
26
Lasansky, Jeannette
10
Chester County Cabinet of Natural Science (West Chester, Pa.)
8
Oral Traditions Project (Union County Historical Society)
8
Darlington, William, 1782-1863
6
Wright State University. Department of Archives and Special Collections
6
Doubleday, H. Arthur 1867-1941
5
Pennsylvania. Department of Conservation and Natural Resources
5
Heston, Alfred M. 1854-1937
4
Ibach, William R.
4
Salzman, L. F. 1878-
4
Davis, W. W. H. 1820-1910
3
Geological Survey of Pennsylvania
3
Moak, Jefferson M.
3
Page, Wm
3
Pearce, Stewart, 1820-1882
3
Salem County Historical Society
3
Smith, George, 1804-1882
3
Stratton, Morris H.
3
University of London. Institute of Historical Research
3
Belous, Russell E.
2
Blair County Historical Society
2
Clemson, Thomas Green, 1807-1888
2
Delaware County Institute of Science (Media, Pa.)
2
Dodge, Clifford H.
2
Doubleday, H. Arthur
2
Ely, Warren S. 1855-1936
2
Erie Society for Genealogical Research
2
Fettke, Charles R. 1888-1959
2
Formigli, Donald
2
Gerberich, Albert H. (Albert Horwell) 1898-1965
2
Grubb, A. Bertolet
2
Hey, David
2
Historic Smithville (Firm)
2
Iscrupe, William L.
2
Jergens, Eugene J.
2
Jordan, John W. 1840-1921
2
Judah, Naptali
2
LaRoche, Cheryl Janifer
2
Lea, Isaac, 1792-1886
2
Leggett, Nancy G.
2
Logan family
2
Malden, Henry Elliot
2
McGraw, Harry A.
2
Mombert, J. I. 1829-1913
2
Moore, John, 1729-1802
2
Penn family
2
Philadelphia County Medical Society
2
Reiner, Burton A.
2
Scott, Walter, 1771-1832
2
more ...