संस्थान
Philadelphia Archdiocesan Historical Research Center (PAHRC)
28
University of Notre Dame
28
University of Dayton
24
Catholic University of America
9
College of the Holy Cross
9
Catholic Theological Union
3
Loyola University Chicago
2
St. Michael's College
2
Benedictine University
1
Boston College
1
Marquette University
1
University of San Diego
1