↑ "United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X4KP-C3H : accessed 6 May 2021), David S Thorburn, Manhattan (Districts 0251-0500), New York, New York, United States; citing enumeration district (ED) ED 398, sheet 1B, line 53, family , NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1553; FHL microfilm 2,341,288.
↑ "New York, New York Passenger and Crew Lists, 1909, 1925-1957," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:24NF-XLV : 2 March 2021), David Scott Thorburn, 1931; citing Immigration, New York, New York, United States, NARA microfilm publication T715 (Washington, D.C.: National Archives and Records Administration, n.d.).
↑ "New York, Northern Arrival Manifests, 1902-1956," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q23C-ZZ3F : 2 March 2021), David Scott Thorburn, New York, United States;citing Immigration, New York, United States, NARA microfilm publication M1480 and M1482. Washington, D.C.: National Archives and Records Administration, n.d.
↑ "New York, Northern Arrival Manifests, 1902-1956," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q23C-ZZ79 : 2 March 2021), David Scott Thorburn, New York, United States;citing Immigration, New York, United States, NARA microfilm publication M1480 and M1482. Washington, D.C.: National Archives and Records Administration, n.d.
↑ "New York, New York Passenger and Crew Lists, 1909, 1925-1957," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:24L8-3Q4 : 2 March 2021), David Scott Thorburn, 1940; citing Immigration, New York, New York, United States, NARA microfilm publication T715 (Washington, D.C.: National Archives and Records Administration, n.d.).
↑ "Brasil, Cartões de Imigração, 1900-1965," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FFTL-D31 : 4 March 2021), null, Immigration; citing 1945, Arquivo Nacional, Rio de Janeiro (National Archives, Rio de Janeiro).
↑ "United States, New York, Index to Passengers Arriving at New York City, compiled 1944-1948", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:78GR-6XT2 : 22 October 2019), David Scott Thorburn, 1947.
↑ "Brasil, Cartões de Imigração, 1900-1965," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FFTL-FSK : 4 March 2021), null, Immigration; citing 1961, Arquivo Nacional, Rio de Janeiro (National Archives, Rio de Janeiro).
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