- unitid
-
{"value"=>"[MAI-12309]", "type"=>"local_call"}
{"value"=>"1141411", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1971 January 5-1973 February 1", "type"=>"inclusive", "normal"=>"1971-01-05/1973-02-01"}
- date_inclusive_start
-
1971
- date_inclusive_end
-
1973
- keydate
-
1971-01-05
- date_start
-
1971-01-05
- date_end
-
1973-02-01
- unittitle
-
{"value"=>"<name>Johnson, Carl</name>, Letters"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"8 letters, 1 draft"}], "supress_display"=>true}
- container
-
{"type"=>"folder", "value"=>"618"}
- extent_statement
-
8 letters, 1 draft