Institution
West Virginia University
287
State Library of Pennsylvania
221
Pennsylvania State University
115
University of Pennsylvania
101
Rutgers University
93
University of Pittsburgh
88
Bucknell University
60
Lehigh University
58
Temple University
58
Commonwealth University of Pennsylvania
39
Montclair State University
36
Marshall University
26
New York University
21
Muhlenberg College
17
Pennsylvania Western University
11
Ursinus College
9
Drexel University
8
Swarthmore College
8
Indiana University of Pennsylvania
7
Carnegie Mellon University
6
Villanova University
6
Bryn Mawr College
5
Lafayette College
5
Rowan University
5
Widener University
4
Dickinson College
3
Gannon University
3
Saint Joseph's University
3
The Cooper Union
3
Duquesne University
2
Franklin and Marshall College
2
Gettysburg College
2
Slippery Rock University
2
The New School
2
Chatham University
1
Haverford College
1
King's College
1
La Salle University
1
Millersville University
1
Moravian University
1
Seton Hall University
1
Susquehanna University
1
Thomas Jefferson University
1
West Chester University
1
West Liberty University
1