All items where Estimated number of records in data set is 42

Improve alt-text: Series: Population Schedules for the 1850 Census, 1850 - 1850 Record Group 29: Records of the Bureau of the Census, 1790 - 2007
Series: Population Schedules for the 1850 Census, 1850 - 1850 Record Group 29: Records of the Bureau of the Census, 1790 - 2007