References
C1870 | Bureau of the Census, Ninth Census of the United States, 1870, Washington, D.C., National Archives and Records Administration, 1870. |
C1900 | Bureau of the Census, Twelfth Census of the United States, 1900, Washington, DC, National Archives and Records Administration, 1900. |
C1920 | Bureau of the Census. Fourteenth Census of the United States, 1920, Washington, DC, National Archives and Records Administration, 1920. |
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