"United States Census, 1850." Database with images. FamilySearch. https://familysearch.org/ark:/61903/1:1:MHVW-L81 : 28 December 2022. Citing NARA microfilm publication M432. Washington, D.C.: National Archives and Records Administration, n.d.
"United States Census, 1880," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MW34-14P : 14 January 2022), Walter Trowbridge, Holland, Ottawa, Michigan, United States; citing enumeration district , sheet , NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm
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