Institution
University of Notre Dame
158
Catholic Theological Union
85
Catholic University of America
70
Boston College
48
Philadelphia Archdiocesan Historical Research Center (PAHRC)
48
University of Dayton
43
St. Michael's College
36
College of the Holy Cross
27
Marquette University
19
Loyola University Chicago
16
University of San Francisco
4
Barry University
3
Villanova University
3
Benedictine University
2
Loyola Marymount University
2
Catholic Research Resources Alliance
1
Georgetown University
1
St. Norbert College
1