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- Academy of Natural Sciences of Philadelphia 1 results
- African American Museum in Philadelphia 2 results
- Afro-American Historical and Cultural Museum (Philadelphia, Pa.) 2 results
- American Association for State and Local History Meeting 1 results
- American Association of Museums 1 results
- American Helicopter Museum and Education Center 1 results
- American Swedish Historical Museum 2 results
- Arlington Cemetery (Drexel Hill, Pa.) 1 results
- Association of Indiana Museums Conference 1 results
- Atwater Kent Museum 6 results
- Balch Institute for Ethnic Studies 2 results
- Barnes Foundation 2 results
- Boyertown Museum of Historic Vehicles 1 results
- Brandywine River Museum 2 results
- Brigham, Diane 2 results
- Candle Shoppe of the Poconos 1 results
- Carnegie Museum of Art 1 results
- Carnegie Museum of Natural History 1 results
- Chamberlain, Merle 1 results
- Chambers, Harmon A. 2 results
- Children's Museum of Pittsburgh (Pa.) 1 results
- Civil War & Underground Railroad Museum of Philadelphia 1 results
- Clark, Nannette 1 results
- Collison, Chandler 1 results
- Connolly, Sheila 1 results
- Crane, Tom 1 results
- Cumberland County Historical Society (Pa.) 1 results
- DeMarino, Lisa 1 results
- Discover Brandywine Valley Public Relations Association 1 results
- Dubrow, Michael G. 1 results
- Dutch Wonderland Entertainment Complex (Firm) 2 results
- Dutot Museum & Gallery 1 results
- Fireman's Hall Museum 1 results
- Franklin Institute (Philadelphia, Pa.) 2 results
- Free Library of Philadelphia Office of Public Service Support 1 results
- Fuiman, Harry 1 results
- Greater Philadelphia Cultural Alliance 11 results
- Hands-On Children's Museum (Gettysburg, Pa.) 1 results
- Hark, Ann 1 results
- Hart 1 results
- Hartman, Louise 1 results
- Henderson, Helen Weston, 1874- 1 results
- Heritage Philadelphia Program 1 results
- Historical Society of Pennsylvania Education Dept 2 results
- Historical Society of York (Pa.) 1 results
- Historical Society of York (Pennsylvania) 1 results
- Historical Society of York County (Pa.) 1 results
- Independence Seaport Museum 4 results
- Indian Museum and Gift Shop 1 results
- James A. Michener Art Museum 1 results more…