- unitid
-
{"value"=>"3576475", "type"=>"local_mss"}
- unitdate
-
{"value"=>"circa 1930s-1940s", "type"=>"inclusive", "normal"=>"1930/1949", "certainty"=>"approximate"}
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"Service industry workers"}
- container
-
{"type"=>"box", "value"=>"5"}
{"type"=>"folder", "value"=>"3"}
- date_start
-
1930
- keydate
-
1930
- date_end
-
1949
- date_inclusive_start
-
1930
- date_inclusive_end
-
1949