Institution
West Virginia University
44
Pennsylvania State University
33
Lehigh University
29
Rutgers University
29
Villanova University
27
State Library of Pennsylvania
21
University of Pittsburgh
19
Temple University
15
University of Pennsylvania
13
Widener University
12
Commonwealth University of Pennsylvania
10
Bucknell University
9
Duquesne University
8
Montclair State University
8
New York University
8
Pennsylvania Western University
8
Drew University
5
Marshall University
5
West Chester University
5
Indiana University of Pennsylvania
4
Muhlenberg College
4
Bryn Mawr College
3
Gannon University
3
Rowan University
3
Carnegie Mellon University
2
Dickinson College
2
Marywood University
2
Moravian University
2
Saint Joseph's University
2
Washington and Jefferson College
2
York College of Pennsylvania
2
Allegheny College
1
Drexel University
1
Eastern University
1
Franklin and Marshall College
1
La Salle University
1
Lafayette College
1
Mercyhurst University
1
Millersville University
1
Robert Morris University
1
Seton Hall University
1
Slippery Rock University
1
Susquehanna University
1
Swarthmore College
1
The New School
1
Thomas Jefferson University
1
Ursinus College
1
West Liberty University
1
Westminster College
1