Institution
Rutgers University
2,292
Pennsylvania State University
59
Montclair State University
58
University of Pennsylvania
58
Lehigh University
43
West Virginia University
32
Temple University
31
State Library of Pennsylvania
20
Bucknell University
19
West Chester University
17
Rowan University
12
Lafayette College
10
Commonwealth University of Pennsylvania
9
Villanova University
9
New York University
8
Seton Hall University
8
Drexel University
6
Gettysburg College
6
Indiana University of Pennsylvania
6
University of Pittsburgh
6
Bryn Mawr College
3
La Salle University
3
Carnegie Mellon University
2
East Stroudsburg University
2
Haverford College
2
Slippery Rock University
2
Allegheny College
1
Franklin and Marshall College
1
Gannon University
1
King's College
1
Lebanon Valley College
1
Millersville University
1
Ursinus College
1
Widener University
1
York College of Pennsylvania
1