Hits 1-2 within 2 documents
Changes in data collection procedures for process-generated data and methodological implications: the case of ethnicity variables in 19th century Norwegian censuses [journal article]
Source: Historical Social Research, 34 (2009) 3. p.168-190
Who had an occupation? Changing boundaries in historical U.S. census data [journal article]
Source: Historical Social Research, 34 (2009) 3. p.149-167