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- Affleck, Richard M. 1 results
- Albany Institution of History and Art 1 results
- American Council for Polish Culture 2 results
- American Heritage 3 results
- Anderson, Niles 1 results
- Anthracite Heritage Museum and Iron Furnace Associates 1 results
- Anthracite Heritage Museum and Iron Furnaces Associates 1 results
- Apollo Area Historical Society (Apollo, Pa.) 1 results
- Archer, Justine 1 results
- Aurand, Harold W. 1 results
- Baumann, Roland M. 8 results
- Baynton, Wharton, and Morgan 1 results
- Becker, Art 1 results
- Beers, Paul B. 1 results
- Benner, Craig A. 2 results
- Beyer, George R. 4 results
- Binder, Frederick M. 1 results
- Bixler, Patricia E. 1 results
- Blair County Historical Society (Pa.) 1 results
- Blatz, Perry K. 1 results
- Bodnar, John E., 1944- 1 results
- Bomberger, Bruce 2 results
- Bouquet, Henry, 1719-1765 2 results
- Bown, Henry E. 1 results
- Bradley, John 1 results
- Brandywine Battlefield Park Commission 1 results
- Bucks County Traveler 1 results
- Bucsko, Mike 1 results
- Carmicheal, David W. 1 results
- Carr, Kurt W. (Kurt William), 1949- 1 results
- Centre County (Pa.) Library 1 results
- Chester county (Pa.) Historical society, West Chester, Pa 1 results
- Clio Group, Inc 2 results
- Clouse, Jerry A. 1 results
- Colt, Guy 3 results
- Columbia Gas Company 1 results
- Columbus Voyages Celebration Advisory Task Force 1 results
- Conference on Black History in Pennsylvania 1 results
- Cummings, Hubertis 4 results
- Cummings, Hubertis M. 2 results
- Cummings, Hubertis M. (Hubertis Maurice), 1884-1963 1 results
- Cupper, Dan 1 results
- Davis, Amelia 1 results
- DeCoster, Lester A. 1 results
- DePuy, LeRoy Beck 1 results
- Deardorff, Merle H. 1 results
- Delaware Indian Symposium Seton Hall University) 1 results
- Dickson, Harold E. 2 results
- Dickson, Harold Edward, 1900- 1 results
- Dixon, David 1 results more…