Institution
University of Notre Dame
171
Catholic University of America
55
Philadelphia Archdiocesan Historical Research Center (PAHRC)
32
Boston College
20
University of Dayton
13
Marquette University
9
St. Michael's College
9
Daughters of Charity
8
College of the Holy Cross
7
Jacques Maritain Center
7
Barry University
6
Catholic Theological Union
6
Seton Hall University
5
Loyola Marymount University
4
Loyola University Chicago
3
Archdiocese of Cincinnati
2
Benedictine University
2
DePaul University
2
Villanova University
2
Catholic Research Resources Alliance
1
Mount Saint Mary's University
1
St. Catherine University
1