| http://www.w3.org/ns/prov#value | - For example, here is a list of the indexed and searchable fields in the 1920 and 1930 U.S. census records on Ancestry.com (differences in red):* First Name - indexed in 1920 and 1930* Last Name - indexed in 1920 and 1930* Residence - indexed in 1920 and 1930 (state, county, city or town)* Age - indexed in 1920 and 1930* Estimated birth year - indexed in 1920 and 1930* Birthplace - indexed in 1920
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