Institution
Lehigh University
Villanova University
39
State Library of Pennsylvania
29
West Virginia University
28
Muhlenberg College
11
Bucknell University
9
Rutgers University
7
Temple University
7
West Chester University
6
Widener University
5
Duquesne University
4
Marshall University
3
New York University
3
University of Pennsylvania
2
Commonwealth University of Pennsylvania
1
Drew University
1
Drexel University
1
Montclair State University
1
Pennsylvania State University
1
Seton Hall University
1
University of Pittsburgh
1