- unitid
-
{"value"=>"[MAI-29511]", "type"=>"local_call"}
{"value"=>"1143024", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1956 June 30-1958 March 27", "type"=>"inclusive", "normal"=>"1956-06-30/1958-03-27"}
- date_inclusive_start
-
1956
- date_inclusive_end
-
1958
- keydate
-
1956-06-30
- date_start
-
1956-06-30
- date_end
-
1958-03-27
- unittitle
-
{"value"=>"<name>Helm, Everett Burton</name>, Letters"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"12 letters typed"}], "supress_display"=>true}
- container
-
{"type"=>"folder", "value"=>"78"}
- extent_statement
-
12 letters typed