Institution
Pennsylvania State University
421
State Library of Pennsylvania
174
Commonwealth University of Pennsylvania
18
Lehigh University
4
Rutgers University
3
Carnegie Mellon University
2
University of Pittsburgh
2
West Virginia University
2
Duquesne University
1
Franklin and Marshall College
1
New York University
1
Pennsylvania Western University
1
Villanova University
1
West Chester University
1
York College of Pennsylvania
1