On the grounds of the Jesuit General Curia in Rome is located the Archives building housing ARSI which is the archives of the central government for the worldwide Society of Jesus (founded 1540).
ARSI (Archivum Romanum Societatis Iesu) includes archives, library and publishing division
Catalogs SJ 1774-1829
New Inventory Italian Materials 1774-1939
Irish Jesuit Materials c. 1598-1774