Institution
West Virginia University
263
Pennsylvania State University
171
Lehigh University
101
University of Pennsylvania
78
State Library of Pennsylvania
62
Marshall University
51
Villanova University
42
Rutgers University
33
Temple University
23
New York University
14
Drew University
12
Indiana University of Pennsylvania
12
University of Pittsburgh
12
Montclair State University
8
Pennsylvania Western University
7
Thomas Jefferson University
6
Bucknell University
5
Franklin and Marshall College
5
Ursinus College
5
Dickinson College
4
Lafayette College
4
Commonwealth University of Pennsylvania
3
Millersville University
3
Saint Joseph's University
3
Susquehanna University
3
Carnegie Mellon University
2
Duquesne University
2
Gettysburg College
2
Haverford College
2
Lebanon Valley College
2
Lycoming College
2
Muhlenberg College
2
Slippery Rock University
2
West Chester University
2
West Liberty University
2
Allegheny College
1
Bryn Mawr College
1
Drexel University
1
Elizabethtown College
1
Moravian University
1
Philadelphia Museum of Art
1
Point Park University
1
Rowan University
1
The New School
1
Washington and Jefferson College
1