- unitid
-
{"value"=>"3590718", "type"=>"local_mss"}
{"value"=>"100", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1910s-1990s", "type"=>"inclusive", "normal"=>"1910/1999"}
- unittitle
-
{"value"=>"Correspondence and Documents"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"60 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"4.8 megabytes", "unit"=>"megabytes"}]}
- date_start
-
1910
- keydate
-
1910
- date_end
-
1999
- date_inclusive_start
-
1910
- date_inclusive_end
-
1999