Access is available to all serious scholars.
Clergy personnel files are closed for 50 years following the death of the particular clergyman. Active personnel records are closed. Sacramental records are partially closed for a period of 50 years. Also included are historical records of parishes, priests, bishops, and religious communities and their official correspondence with the Archdiocese. The archive collection also includes various special collections dealing with religious matters of a local, regional, national, and international character.