Author
Graham, Daniel A., 1948-
18
American Iron and Steel Association
9
Graham, Daniel A.
8
Bining, Arthur Cecil, 1893-1957
7
Swank, James Moore, 1832-1914
7
Sproul, William C. 1870-1928
6
Duffield, Ulysses Grant
5
Swank, James M.
4
United States. National Park Service
4
Alexander, J. H. 1812-1867
3
Ashmead, Henry Graham, 1838-1920
3
Birkinbine, John
3
Daddow, Samuel Harries
3
Fitch, John A. 1881-1959
3
Grubb family
3
Pennsylvania Historical and Museum Commission
3
Philadelphia Record
3
Pierce, Arthur D.
3
Roach, Mary
3
Roberts, William F.
3
Adams, David M.
2
Åkerman, Rich. 1837-1922
2
Bannan, Benjamin
2
Bisbee, Henry Harold, 1906-
2
Brydon, G. MacLaren 1875-1963
2
Cambria Iron Company
2
Cambria Steel Co
2
Carey, Henry C.
2
Casey, W. R.
2
Centennial Exhibition
2
Colesar, Rebecca Bisbee
2
Cooch, Edward W.
2
Corning, Howard, b. 1867
2
Cremers, Estelle
2
Crocker, Alvah, 1801-1874
2
Davis, James J. 1873-1947
2
Eggert, Gerald G.
2
Foster, William Z., 1881-1961
2
Fritz, John, 1822-1913
2
Gayle, Margot
2
Gemmell, Alfred, 1916-
2
Gloucester Iron Works
2
Gowen, Franklin Benjamin, 1836-1889
2
Griffen, John, 1812-1884
2
Haldeman, Horace L., 1847-1920
2
Harrington, Ty
2
Keefer, Horace Andrew
2
Keystone View Company
2
Kurjack, Dennis C.
2
Lackawanna Iron and Coal Company (Scranton, Pa.)
2
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