- COSV : Our Sunday Visitor: Manuscripts
- COSV 1-35/ Series : Alphabetical Subject and Correspondence Files
- COSV 1/01 Folder : Abbey Press
- COSV 1/02 Folder : Abitibi Papers Inc.
- COSV 1/03 Folder : Advertising Department
- COSV 1/04 Folder : Advertising Department
- COSV 1/05 Folder : Advertising Department
- COSV 1/06 Folder : The Advocate (Newark, N. J.)
- COSV 1/07 Folder : Alba House (Society of St. Paul)
- COSV 1/08 Folder : Altoona-Johnstown (Diocese of)
- COSV 1/09 Folder : American Catholic Heritage Recordings (Abbey Press)
- COSV 1/10 Folder : American Express Company
- COSV 1/11 Folder : Anchor Paper Company
- COSV 1/12 Folder : Andrews, Jay M. Chicago State T-B Hospital
- COSV 1/13 Folder : Aquinas High School
- COSV 1/14 Folder : Audit Bureau of Circulation
- COSV 2/01 Folder : Audit Bureau of Circulation
- COSV 2/02 Folder : Audit Bureau of Circulation
- COSV 2/03 Folder : Audit Bureau of Circulation
- COSV 2/04 Folder : Rev. Jordan Aumann
- COSV 2/05 Folder : Australia
- COSV 2/06 Folder : Ave Marie
- COSV 2/07 Folder : A - (General)
- COSV 2/08 Folder : Bauer, E. Charles (Rev.)
- COSV 2/09 Folder : Baird, Mary Julian (R.S.M.)
- COSV 2/10 Folder : Baird-Ward Printing Company
- COSV 2/11 Folder : Bandas, Rudolph G. (Msgr.)
- COSV 2/12 Folder : Baraga, Frederic (Bishop) (Cause of)
- COSV 2/13 Folder : Battista, Orlando
- COSV 2/14 Folder : Benziger Bros. Inc.
- COSV 2/15 Folder : Bernardin, Joseph L. (Rev.)
- COSV 2/16 Folder : C.D. Bertolet & Co., Inc. 1952
- COSV 2/17 Folder : Bertolet - 1953
- COSV 3/01 Folder : Bertolet - 1954
- COSV 3/02 Folder : Bertolet - 1955
- COSV 3/03 Folder : Bertolet - 1956
- COSV 3/04 Folder : Bertolet - 1957
- COSV 3/05 Folder : Bertolet - 1958
- COSV 3/06 Folder : Bertolet - 1959
- COSV 3/07 Folder : Bertolet - 1960
- COSV 3/08 Folder : Bertolet - 1961
- COSV 3/09 Folder : Bertolet - 1962
- COSV 4/01 Folder : Bertolet - 1963
- COSV 4/02 Folder : Bertolet - 1964
- COSV 4/03 Folder : Bertolet - 1965
- COSV 4/04 Folder : Bertolet - 1966
- COSV 4/05 Folder : Bertolet - 1967
- COSV 4/06 Folder : Bertolet - 1968
- COSV 4/07 Folder : Bertolet - 1969
- COSV 4/08 Folder : Bertolet - 1970
- COSV 4/09 Folder : Better Business Bureau
- COSV 4/10 Folder : Bogner & Martin
- COSV 5/01 Folder : Books
- COSV 5/02 Folder : Bowling, Benjamin F. (C.S.P.)
- COSV 5/03 Folder : Branda, R. J.
- COSV 5/04 Folder : Brieg, Joseph
- COSV 5/05 Folder : Brockmeier, John S. (Rev.)
- COSV 5/06 Folder : The Bruce Publishing Company
- COSV 5/07 Folder : Buffalo, N. Y. (Diocese of)
- COSV 5/08 Folder : Buschler, Marie Beck (Anthony Beck)
- COSV 5/09 Folder : Butler Associates, Inc.
- COSV 5/10 Folder : Butler Paper Company
- COSV 5/11 Folder : BA - BL (General)
- COSV 5/12 Folder : BO - BY (General)
- COSV 5/13 Folder : Callahan, Charles
- COSV 5/14 Folder : Cameron, Raymond R.
- COSV 5/15 Folder : Canadian Catholic Conference
- COSV 5/16 Folder : Canadian Edition - OSV
- COSV 5/17 Folder : Catechetical Guild
- COSV 5/18 Folder : Catholic Boy
- COSV 6/01 Folder : Catholic Church Extension Society
- COSV 6/02 Folder : Catholic Church Extension Society
- COSV 6/03 Folder : Catholic Church Extension Society
- COSV 6/04 Folder : Catholic Church Extension Society
- COSV 6/05 Folder : Catholic Digest
- COSV 6/06 Folder : The Catholic Forester
- COSV 6/07 Folder : Catholic Home Messenger
- COSV 6/08 Folder : Catholic Living
- COSV 7/01 Folder : Catholic Magazine Representatives
- COSV 7/02 Folder : The Catholic Market
- COSV 7/03 Folder : Catholic Mind
- COSV 7/04 Folder : Catholic Newspaper Representatives
- COSV 7/05 Folder : Catholic Periodicals Cooperative
- COSV 7/06 Folder : Catholic Periodicals Inc.
- COSV 7/07 Folder : Catholic Press Association Annual
- COSV 7/08 Folder : Bylaws - Catholic Press Association
- COSV 7/09 Folder : Awards - Catholic Press Association
- COSV 7/10 Folder : Life Membership - Catholic Press Association
- COSV 7/11 Folder : Forms - Catholic Press Association
- COSV 7/12 Folder : Catholic Press Association - Conventions
- COSV 8/01 Folder : Postal Rates Committee - Catholic Press Association
- COSV 8/02 Folder : Misc. - Catholic Press Association
- COSV 8/03 Folder : Catholic Press Association - General
- COSV 8/04 Folder : Catholic Press Association - General
- COSV 8/05 Folder : Catholic Press Association - General
- COSV 8/06 Folder : Catholic Preview of Entertainment (See Catholic Periodicals, Inc.)
- COSV 8/07 Folder : Catholic Scholarships for Negros Inc.
- COSV 9/01 Folder : Catholic Travel Office
- COSV 9/02 Folder : Catholic Travel Office