Institution
University of Pennsylvania
26
Commonwealth University of Pennsylvania
11
Villanova University
10
Indiana University of Pennsylvania
6
Pennsylvania State University
6
State Library of Pennsylvania
4
University of Pittsburgh
4
West Chester University
4
Lafayette College
3
Lehigh University
3
New York University
3
West Virginia University
3
Gettysburg College
2
Marshall University
2
Pennsylvania Western University
2
Slippery Rock University
2
Westminster College
2
Franklin and Marshall College
1
Haverford College
1
Holy Family University
1
King's College
1
Rutgers University
1
Saint Joseph's University
1
Susquehanna University
1
Temple University
1
Washington and Jefferson College
1
Widener University
1