"United States Census, 1930," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:XH1P-LC5 : accessed 2 May 2022), Nobuaki Iwatake in household of Iamotsu Iwatake, Wailuku, Maui, Hawaii, United States; citing enumeration district (ED) ED 40, sheet 3A, line 10, family 50, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2637; FHL microfilm 2,342,371.