Author
Hanna, Charles A. 1863-1950
5
Ohio and Pennsylvania Rail-Road Company
4
South Central Pennsylvania Genealogical Society
4
Aughenbaugh, Gloria L.
3
Beatty, Charles, 1715?-1772
3
Philadelphia Record
3
Rupp, I. Daniel 1803-1878
3
Zeisberger, David, 1721-1808
3
Butterfield, Consul Willshire, 1824-1899
2
Croatian Fraternal Union of America
2
First Catholic Slovak Union of America
2
Flood Commission of Pittsburgh
2
Hough, Oliver, 1868-
2
Klett, Guy S. 1897-1990
2
Roberts, Solomon W. 1811-1882
2
Sandy and Beaver Canal Company
2
Schwarze, William Nathaniel, 1875-1948
2
Sechler, Charles Harris, 1945-
2
Adams, Harold Kampf, 1913-1992
1
Adams, John H. 1947-
1
Albertype Co
1
Anderson, Kathleen Kerns, 1920-
1
Anderson, Robert J. 1920-
1
Bakewell, Thomas, 1792-1866
1
Baltimore
1
Baltimore and Ohio Railroad Company
1
Bates, Paul Edward
1
Beach, Richard
1
Bell, Raymond Martin, 1907-
1
Berry Farm Oil Company
1
Bigham, T.J.
1
Bliss, Eugene Frederick, 1836-1918
1
Board of Trade of Pittsburgh (Pittsburgh, Pa.)
1
Bonnecamps, Joseph-Pierre, 1707-1790
1
Breed, William P. 1816-1889
1
Burnett, John, b. 1778
1
Céloron de Blainville, Pierre-Joseph, 1693-1759
1
Church of Jesus Christ of Latter-day Saints
1
Cochran, Richard M., 1951-
1
Craig, Neville B., 1787-1863
1
Craig, Neville, 1787-1863
1
Croghan, George, 1720?-1782
1
Cuming, Fortescue, 1762-1828
1
Darlington Memorial Library
1
Dickinson, John, 1732-1808
1
Downes, Randolph C. 1901-
1
Dumas, Charles Guillaume Frédéric, 1721-1796
1
Dunbar, Lyle
1
Dwight, Margaret Van Horn, 1790-1834
1
Eaton, S. J. M. 1820-1889
1
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