Institution
New York University
2
Pennsylvania State University
2
Rutgers University
2
Temple University
2
Commonwealth University of Pennsylvania
1
Drew University
1
Haverford College
1
Lehigh University
1
Muhlenberg College
1
Philadelphia Museum of Art
1
Seton Hall University
1
State Library of Pennsylvania
1
University of Pennsylvania
1
University of Pittsburgh
1
West Virginia University
1