The Development of Punch Card Tabulation in the Bureau of the Census

ability to speak age groups areas attending school binding posts birth of mother birthplace of mother cards punched citizenship classes classification clerk color or race color-nativity Cols combinations complete conjugal condition counters country of birth crop cards detail dial board ED's entries family card farm card father female field follows foreign parentage foreign-born white gainful workers gang punch guide card head Herman Hollerith holes Hollerith indicated John Shaw Billings key punch marital condition minor civil divisions mother tongue native white Negro number of persons occupation Okmulgee County operator parents place of birth population card population schedule punch card punch positions punched N puncher record relays reported represented result slip Royal Statistical Society schedule column school attendance Seaton device sixth count sorted by sex sorting box speak English specific symbols tabulating machine tally marks tally sheet tenure total number United vital statistics