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Cornelius Zimmerman - line 26
Source - Year: 1910; Census Place: Mankato Ward 3, Blue Earth, Minnesota; Roll: T624_691; Page: 11A; Enumeration District: 0019; FHL microfilm: 1374704
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Cornelius Zimmerman - line 19
Source - Year: 1920; Census Place: Mankato Ward 3, Blue Earth, Minnesota; Roll: T625_825; Page: 4A; Enumeration District: 20; Image: 393
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Source - https://familysearch.org/ark:/61903/1:1:K8NQ-LYK
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Cornelius Zimmerman - line 1
Source - Year: 1930; Census Place: Beverly Hills, Los Angeles, California; Roll: 124; Page: 8A; Enumeration District: 0823; Image: 289.0; FHL microfilm: 2339859
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Cornelius Zimmerman - line 68
Source - Year: 1940; Census Place: Mankato, Blue Earth, Minnesota; Roll: T627_1908; Page: 5B; Enumeration District: 7-26C