Institution
West Virginia University
437
Marshall University
154
State Library of Pennsylvania
45
University of Pittsburgh
31
Lehigh University
28
Pennsylvania State University
27
West Liberty University
23
Rutgers University
19
University of Pennsylvania
9
Villanova University
9
Bucknell University
8
Drew University
3
Montclair State University
3
Commonwealth University of Pennsylvania
2
Duquesne University
1
Indiana University of Pennsylvania
1
Lafayette College
1
Millersville University
1
Muhlenberg College
1
New York University
1
Pennsylvania Western University
1
Saint Francis University
1
Slippery Rock University
1
Temple University
1
Ursinus College
1
Westminster College
1