- unitdate
-
{"value"=>"1928", "type"=>"inclusive", "normal"=>"1928"}
{"value"=>"1930", "type"=>"inclusive", "normal"=>"1930"}
- date_inclusive_start
-
1928
- date_inclusive_end
-
1930
- unittitle
-
{"value"=>"B. Letters sent"}
- container
-
{"type"=>"box", "value"=>"4"}
{"type"=>"folder", "value"=>"8"}
- unitid
-
{"type"=>"local_mss", "value"=>"496916"}
- date_start
-
1928
- date_end
-
1930
- keydate
-
1928