Institution
University of Pennsylvania
22
New York University
8
Rutgers University
6
Pennsylvania State University
5
State Library of Pennsylvania
4
Temple University
4
University of Pittsburgh
4
West Virginia University
3
Drew University
2
Montclair State University
2
Muhlenberg College
2
Bryn Mawr College
1
Bucknell University
1
Commonwealth University of Pennsylvania
1
Drexel University
1
Gettysburg College
1
Marshall University
1
Mercyhurst University
1
Moravian University
1
Pennsylvania Western University
1
Slippery Rock University
1
Villanova University
1