Institution
Muhlenberg College
546
Pennsylvania State University
529
West Virginia University
527
Bucknell University
309
State Library of Pennsylvania
176
Lehigh University
168
Rutgers University
164
Villanova University
135
Duquesne University
35
Temple University
30
Seton Hall University
19
Widener University
13
Commonwealth University of Pennsylvania
12
Marshall University
10
New York University
7
University of Pittsburgh
3
University of Pennsylvania
2
Franklin and Marshall College
1
Haverford College
1
Lafayette College
1
Millersville University
1
Pennsylvania Western University
1