Instituce
Philadelphia Archdiocesan Historical Research Center (PAHRC)
121
University of Notre Dame
75
University of Dayton
25
College of the Holy Cross
12
Boston College
6
Catholic University of America
6
Catholic Theological Union
5
Marquette University
4
Barry University
3
Seton Hall University
2
St. Michael's College
2
Benedictine University
1
DePaul University
1
University of San Diego
1