Philadelphia Museum of Art 49
Pennsylvania Academy of the Fine Arts 24
Adam Matthew Digital (Firm) 10
Edward E. Ayer Collection (Newberry Library) 10
Allentown Art Museum 9
Arts and Entertainment Network 8
Dyer, Julia, 7
Levy Gallery for the Arts in Philadelphia 7
Bureau of Municipal Research (Philadelphia, Pa.) 6
Nash, Gary B. 6
Thomas Skelton Harrison Foundation 6
Bodnar, John E., 1944- 5
University of Pennsylvania. Institute of Contemporary Art 5
Brownlee, David Bruce 4
Carnegie Institute. Museum of Art 4
Gallman, J. Matthew 4
Glover, Danny 4
Goldie Paley Gallery 4
Greystone Communications 4
Haffner, Craig 4
Historical Society of Pennsylvania 4
History Channel (Television network) 4
Kanopy (Firm) 4
McIlhenny, Henry P. 4
Moore College of Art and Design 4
National Gallery of Art (U.S.) 4
Palmer Museum of Art (Pennsylvania State University) 4
Pennsylvania Historical and Museum Commission 4
Pennsylvania State University. Museum of Art 4
Percy, Ann 4
Print Club (Philadelphia, Pa.) 4
Slaughter, Thomas P. 4
Thomas, Rhys 4
Adams, Carolyn Teich 3
Anderson, Elijah 3
Arcadia University. Art Gallery 3
Ayers, Edward L., 1953- 3
Baltzell, E. Digby 1915- 3
Barnes Foundation 3
Carey, Mathew, 1760-1839 3
Carnegie Institute. Dept. of Fine Arts 3
Carnegie Museum of Art 3
Clark, Dennis, 1927- 3
Colden, Cadwallader, 1688-1776 3
Davis, Emilie Frances, 1838-1899 3
Downs, Joseph 3
Du Bois, W. E. B. 1868-1963 3
Fairmount Park Art Association 3
Fisher, Sydney George, 1856-1927 3
Franklin, Benjamin, 1706-1790 3
Garvan, Beatrice B. 3
Hamilton, Laura S. 3
Hornblum, Allen M. 3
Kefalas, Maria 3
Klepp, Susan E. 3
Kraybill, Donald B. 3
LaFantasie, Glenn W. 3
Lane, Roger 3
Lichten, Frances 3
Lindsay, Suzanne G., 1947- 3
Lusitana, Donna E. 3
Metropolitan Museum of Art (New York, N.Y.) 3
Nolan, J. Bennett 1877-1964 3
Pencak, William, 1951-2013 3
Pfanz, Harry W. 1921-2015 3
United States Indian School (Carlisle, Pa.) 3
University of Pittsburgh. University Art Gallery 3
Wallace, Anthony F. C., 1923- 3
Wideman, John Edgar 3
Wulf, Karin A., 1964- 3
A & E Home Video (Firm) 2
Ahlbrandt, Roger S. 2
American Catholic Historical Society of Philadelphia 2
American Philosophical Society 2
Ashton, Dianne 2
Bach, Penny Balkin 2
Ballard, Allen B. 2
Beatty, Charles, 1715?-1772 2
Bell, Dale, 1938- 2
Black, Brian, 1966- 2
Brandt, Dennis W., 1946- 2
Brandywine River Museum 2
Branson, Susan 2
Brigham, David R. 2
Bronner, Simon J. 2
Brown, Charles Brockden, 1771-1810 2
Bucknell University. Center Gallery 2
Bullfrog Films 2
Busey, John W. 2
Busey, Travis W. 2
Byington, Margaret Frances, 1877-1952 2
Cardillo, Rob 2
Casey, Robert P. 1932-2000 2
Catholic Church. Diocese of Pittsburgh (Pa.) 2
Center for American Places 2
Chahroudi, Martha 2
Coco, Gregory 2
Cohen, Jeffrey A., 1952- 2
Conti, Flavio G. 2
Couch, Stephen Robert 2