Author
A.D. Marble & Co
1
Agnew, Daniel, 1809-1902
2
Albert E. Deeds Associates
2
Albertype Co
1
Alexander, June Granatir
1
Alexander, June Granatir, 1948-
1
Allegheny (Pa.)
3
Allegheny (Pa.) Committee on Public Library
2
Allegheny (Pa.) Third Ward School
2
Allegheny Cemetery (Pittsburgh)
1
Allegheny Centennial Committee
1
Allegheny County (Pa.)
1
Allegheny County (Pa.) Fire Marshal
1
Allegheny Marketing Group (Pittsburgh, Pa.)
1
Alzo, Lisa A.
2
American Bankers Association
1
American Folklife Center
1
American Historical Society
1
American Hungarian Educators' Association
1
Anderson, Jerome E.
1
Annunciation Church of the Blessed Virgin (Pittsburgh, Pa.)
1
Archives of Czechs and Slovaks Abroad
1
Associate Synod of North America
1
Aurand, Martin
1
Avey and Irish
1
Babbitt, E. L.
1
Babcock, Edward Vose, 1864-1948
1
Badali, William A.
2
Baer, John M.
1
Baird, Thomas Dickson, 1773-1839
1
Bakewell, Mary Ellis, 1868-
1
Baldwin, Leland Dewitt, 1897-
3
Baynton, Wharton, and Morgan (Philadelphia, Pa.)
1
Beachy, Sharon L. D.
2
Beard, Chuck
1
Beatty, Jan
1
Bell, Thomas Kenneth, 1950-
1
Bennet, Joseph
1
Berkman, Alexander, 1870-1936
1
Bernewitz, Max Wilhelm von, 1878-1940
1
Biographical Review Pub. Company
1
Birmingham Union
1
Board of Trade of Pittsburgh (Pittsburgh, Pa.)
2
Bodnar, John E., 1944-
1
Borkowski, Joseph A., 1907-
1
Boucher, John Newton, 1854-1933
1
Brignano, Mary, 1944-
1
Brown-Haven, Martha W.
1
Brumble, H. David, 1977-
1
Buhl Foundation
2
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