Terminal Testing Laboratories, Inc.: Agreement, 1956 June 16, id33758, Box: 33, Folder: 23. International Longshoremen's and Warehousemen's Union (ILWU), Local 13 Records, Part II, URB-ILWU-II. Special Collections & Archives. https://findingaids.csun.edu/repositories/2/archival_objects/77876 Accessed June 13, 2026.