- unitid
-
{"value"=>"3421091", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1835-1876", "type"=>"inclusive", "normal"=>"1835/1876"}
{"value"=>"1931", "type"=>"inclusive", "normal"=>"1931"}
- unittitle
-
{"value"=>"Letters and documents"}
- container
-
{"type"=>"box", "value"=>"2"}
{"type"=>"folder", "value"=>"7"}
- date_start
-
1835
- keydate
-
1835
- date_end
-
1931
- date_inclusive_start
-
1835
- date_inclusive_end
-
1931