Institution
University of Pennsylvania
20
Pennsylvania State University
14
New York University
13
Bryn Mawr College
6
Rutgers University
6
University of Pittsburgh
6
Lehigh University
4
Temple University
4
Drew University
2
Montclair State University
2
Haverford College
1
Lafayette College
1
Muhlenberg College
1
Seton Hall University
1
State Library of Pennsylvania
1
West Virginia University
1