- unitdate
-
{"value"=>"1969 June 18 - 1980 Mar. 4", "type"=>"inclusive", "normal"=>"1969-06-18/1980-03-04"}
- unittitle
-
{"value"=>"Maxwell, William. 4 TLS to Kazin"}
- physdesc
-
{"value"=>"in. corr.", "format"=>"simple"}
{"format"=>"structured", "physdesc_components"=>[{"value"=>"4 letters", "name"=>"extent"}], "supress_display"=>true}
- container
-
{"value"=>"Manuscript box"}
- date_inclusive_start
-
1969
- date_inclusive_end
-
1980
- keydate
-
1969-06-18
- extent_statement
-
4 letters
- unitid
-
{"type"=>"local_mss", "value"=>"518245"}
- date_start
-
1969-06-18
- date_end
-
1980-03-04