Institution
Rutgers University
28
University of Pittsburgh
8
University of Pennsylvania
6
Pennsylvania State University
3
New York University
2
Dickinson College
1
Duquesne University
1
Eastern University
1
Franklin and Marshall College
1
Gannon University
1
Haverford College
1
Pennsylvania Western University
1
Seton Hall University
1
Slippery Rock University
1
State Library of Pennsylvania
1
Temple University
1
Thomas Jefferson University
1