Institution
New York University
107
University of Pennsylvania
48
Lehigh University
29
Villanova University
26
State Library of Pennsylvania
11
Pennsylvania State University
10
Muhlenberg College
9
University of Pittsburgh
9
West Virginia University
9
Commonwealth University of Pennsylvania
7
Bucknell University
6
Montclair State University
6
Temple University
5
Rutgers University
4
Dickinson College
3
Duquesne University
3
Marshall University
3
Swarthmore College
3
Bryn Mawr College
2
Carnegie Mellon University
2
La Salle University
2
Lafayette College
2
Drexel University
1
Eastern University
1
Elizabethtown College
1
Gannon University
1
Haverford College
1
Holy Family University
1
Lebanon Valley College
1
Moravian University
1
The Cooper Union
1
Ursinus College
1
West Liberty University
1
Westminster College
1