The subseries consists of records that document the relationship between the Archdiocese of Edmonton and other episcopal entities such as other dioceses/archdiocese in Canada, the United States and overseas, the Canadian Military Ordinate, as well as Ukrainian Eparchies and various divisions of the Orthodox Church.
The subseries also consists of records that document the relationship between the Archdiocese and other episcopal entities in Alberta such as the Assembly of Western Catholic Bishops and the Alberta Conference of Catholic Bishops (ACCB), the Western Ecumenical Conference, the Alberta Church Consultation Committee, and the Alberta Diocesan Chancellors.
Finally the subseries consists of records that document the relationship between the Archdiocese and other non-Catholic Christian entities and includes correspondence with Anglican and Lutheran Bishops as well as other church leaders in Alberta.