- unitid
-
{"value"=>"3576485", "type"=>"local_mss"}
- unitdate
-
{"value"=>"circa 1940s", "type"=>"inclusive", "normal"=>"1940/1949", "certainty"=>"approximate"}
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"Employment agency employees"}
- container
-
{"type"=>"box", "value"=>"6"}
{"type"=>"folder", "value"=>"4"}
- date_start
-
1940
- keydate
-
1940
- date_end
-
1949
- date_inclusive_start
-
1940
- date_inclusive_end
-
1949