Institution
State Library of Pennsylvania
2,254
West Virginia University
750
Commonwealth University of Pennsylvania
491
Lehigh University
437
Muhlenberg College
261
Temple University
232
Bucknell University
222
Rutgers University
215
Montclair State University
177
West Chester University
80
University of Pennsylvania
79
University of Pittsburgh
73
Villanova University
69
Marshall University
65
Pennsylvania Western University
58
Franklin and Marshall College
42
Millersville University
35
Duquesne University
34
Seton Hall University
34
Indiana University of Pennsylvania
31
Ursinus College
26
Moravian University
25
Drexel University
24
New York University
21
Elizabethtown College
19
Widener University
15
Haverford College
13
West Liberty University
11
Carnegie Mellon University
9
Westminster College
9
Bryn Mawr College
8
Slippery Rock University
8
Dickinson College
7
Point Park University
7
Gettysburg College
6
Holy Family University
6
Robert Morris University
6
Allegheny College
5
Misericordia University
5
Rowan University
5
Swarthmore College
5
Lafayette College
4
Lebanon Valley College
4
Saint Joseph's University
4
Susquehanna University
4
Washington and Jefferson College
4
Saint Francis University
2
Lycoming College
1
Mercyhurst University
1
Thomas Jefferson University
1