機構
University of Notre Dame
167
University of Dayton
116
Catholic Theological Union
77
Philadelphia Archdiocesan Historical Research Center (PAHRC)
72
Catholic University of America
51
Marquette University
47
Boston College
26
Loyola University Chicago
19
Loyola Marymount University
17
Georgetown University
10
College of the Holy Cross
9
St. Michael's College
7
St. Edward's University
4
Barry University
3
Catholic Research Resources Alliance
2
St. Norbert College
2
Archdiocese of Cincinnati
1
DePaul University
1
Seton Hall University
1
St. Catherine University
1
University of St. Thomas
1
Villanova University
1