Institution
Pennsylvania State University
1,119
University of Pennsylvania
21
Commonwealth University of Pennsylvania
11
Rutgers University
9
State Library of Pennsylvania
9
West Virginia University
8
Temple University
7
University of Pittsburgh
7
New York University
6
Bryn Mawr College
5
Drew University
5
Lehigh University
4
Indiana University of Pennsylvania
3
Villanova University
3
Bucknell University
2
Lafayette College
2
Muhlenberg College
2
Haverford College
1
Point Park University
1
Swarthmore College
1
Widener University
1