Abstract The Di Silvestro Order Sons of Italy in America collection (1909-1954) consists of Supreme Convention records (1921-1941), grand lodge records, and non-OSIA materials. Letters and telegrams detail the on-going communications of Di Silvestro during his seven terms as Supreme Venerable. Other documents, including materials of officers and lodges and newspaper clippings, describe the activities of grand lodges. Newspaper clippings describe OSIA banquets, meetings, pilgrimages to Italy, events...