机构
Franklin and Marshall College
2
Lafayette College
2
Montclair State University
2
New York University
Pennsylvania State University
2
Rutgers University
2
State Library of Pennsylvania
2
University of Pennsylvania
2
University of Pittsburgh
2
Allegheny College
1
Bryn Mawr College
1
Commonwealth University of Pennsylvania
1
Gettysburg College
1
Indiana University of Pennsylvania
1
Millersville University
1
Rowan University
1
Seton Hall University
1
Slippery Rock University
1
Temple University
1
West Virginia University
1