Institution
University of Notre Dame
349
Boston College
216
Philadelphia Archdiocesan Historical Research Center (PAHRC)
148
Catholic University of America
109
Marquette University
105
Catholic Theological Union
85
University of Dayton
47
Loyola University Chicago
32
Barry University
22
College of the Holy Cross
18
St. Michael's College
17
Daughters of Charity
16
Loyola Marymount University
7
University of San Francisco
7
Villanova University
7
Georgetown University
6
DePaul University
5
University of San Diego
5
Archdiocese of Cincinnati
2
Benedictine University
2
Fontbonne University
2
Seton Hall University
2
Catholic Research Resources Alliance
1