To secure totals for enumeration districts, the figures for each schedule book were copied on tabulation sheets (facsimiles ... The entries for all books for an enumeration district were added and the addition was verified. ... Census was limited largely to items for which data were to be classified by color and tenure of operator, by size of farm, etc. ... It was necessary to punch a digit in eacn column in every field except when the Inquiry on the schedule corresponding to the field was blank.
|Title||:||United States Census of Agriculture: 1945: General report, statistics by subjects|
|Author||:||United States. Bureau of the Census|