- unitdate
-
{"value"=>"1858 June - [1863 Mar", "type"=>"inclusive", "certainty"=>"inferred", "normal"=>"1858-06/1863-03"}
- unittitle
-
{"value"=>"Macmillan and Co. 20 ALS to"}
- physdesc
-
{"value"=>"corr. out", "format"=>"simple"}
{"format"=>"structured", "physdesc_components"=>[{"value"=>"20 letters in 4 folders", "name"=>"extent"}], "supress_display"=>true}
- container
-
{"value"=>"Manuscript box"}
- date_inclusive_start
-
1858
- date_inclusive_end
-
1863
- keydate
-
1858-06
- extent_statement
-
20 letters in 4 folders
- unitid
-
{"type"=>"local_mss", "value"=>"522831"}
- date_start
-
1858-06
- date_end
-
1863-03