Institution
West Virginia University
1,410
Muhlenberg College
475
Bucknell University
302
Pennsylvania State University
231
State Library of Pennsylvania
40
Rutgers University
9
New York University
6
Villanova University
6
Duquesne University
5
Temple University
5
University of Pennsylvania
5
Commonwealth University of Pennsylvania
4
Lehigh University
4
Montclair State University
4
Franklin and Marshall College
3
Marshall University
3
Widener University
3
Elizabethtown College
2
Lycoming College
2
Robert Morris University
2
Saint Francis University
2
Ursinus College
2
Chatham University
1
Haverford College
1
La Salle University
1
Pennsylvania Western University
1
Seton Hall University
1
Thomas Jefferson University
1
University of Pittsburgh
1
Westminster College
1