Archbishops and Bishops
- RG 01 A Bishop William DuBourg Papers, 1808-1839
- RG 01 A Bishop DuBourg, Cathedral account book, 1818-1827
- RG 01 B Bishop Joseph Rosati, C.M., Papers, 1774-1990
- RG 01 B Bishop Rosati, Annotated Index to Papers
- RG 01 B Bishop Rosati, Financial Ledger 1830-1839, organized chronologically
- RG 01 B Bishop Rosati, Financial Ledger, 1830-1839, 1845, organized by entity
- RG 01 B Description of Rosatiās Memoranda notebook regarding missions, priests, and laypeople 1838-1844
- RG 01 B Index to the Memoranda book kept by Judge Marie Pierre Leduc during Rosati's absence to Europe 1840-1843
- RG 01 C Archbishop Peter Richard Kenrick Papers, 1832-2018
- Annotated Index to the Archbishop Peter Richard Kenrick Papers
- RG 01 C Archbishop Kenrick, Account Book 1848-1858
- RG 01 C Archbishop Kenrick, Cash Book 1848-1858
- RG 01 C Archbishop Kenrick, Description and Index for Account Book 1869
- RG 01 C Archbishop Kenrick, Description and index for Day Book 1864-1875
- RG 01 C Archbishop Kenrick, Description and Index for Financial Ledger 1842-1848
- RG 01 C Archbishop Kenrick, Description and Index for institutional accounts ledger 1865-1867
- RG 01 C Archbishop Kenrick, Description and Index for institutional accounts ledger 1867-1869
- RG 01 C Archbishop Kenrick, Description and Index for Mixed Accounts Ledger 1844-1860, organized by entity
- RG 01 C Archbishop Kenrick, Description and Index for Personal Accounts ledger 1850-1858
- RG 01 C Archbishop Kenrick, Description and Index to Cash Book 1849-1856
- RG 01 C Archbishop Kenrick, Description and Index to Day Book 1855-1858
- RG 01 C Archbishop Kenrick, Description to Cash Book 1862-1868
- RG 01 D Archbishop John Joseph Kain Papers, 1865-1983
- RG 01 E Archbishop John Joseph Cardinal Glennon Papers, 1834-1984