- unitdate
-
{"value"=>"1959", "type"=>"inclusive", "normal"=>"1959"}
{"value"=>"1972-1980", "type"=>"inclusive", "normal"=>"1972/1980"}
- date_inclusive_start
-
1959
- date_inclusive_end
-
1980
- unittitle
-
{"value"=>"B. General Correspondence"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"value"=>"30 Items", "name"=>"extent"}], "supress_display"=>true}
- extent_statement
-
30 Items
- unitid
-
{"type"=>"local_mss", "value"=>"615875"}
- date_start
-
1959
- date_end
-
1980
- keydate
-
1959