Institution
West Virginia University
291
Rutgers University
123
State Library of Pennsylvania
63
Lehigh University
48
Bucknell University
28
Villanova University
25
Montclair State University
21
Muhlenberg College
20
West Chester University
7
Commonwealth University of Pennsylvania
6
Drexel University
6
Marshall University
5
University of Pennsylvania
5
University of Pittsburgh
5
New York University
4
Temple University
4
Ursinus College
2
Drew University
1
Franklin and Marshall College
1
Indiana University of Pennsylvania
1
Lebanon Valley College
1
Pennsylvania Western University
1