最終更新日：2022/12/24
Questions about respondents' place of birth, their parents' place of birth, nativity, and language use (called “mother tongue” and “father tongue”) were added to the Census between 1850 and 1960.
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Questions about respondents' place of birth, their parents' place of birth, nativity, and language use (called “mother tongue” and “father tongue”) were added to the Census between 1850 and 1960.
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