- unitdate
-
{"value"=>"1989-1990", "type"=>"inclusive", "normal"=>"1989/1990"}
- date_inclusive_start
-
1989
- date_inclusive_end
-
1990
- unittitle
-
{"value"=>"Houghton Mifflin Company"}
- container
-
{"type"=>"box", "value"=>"29"}
{"type"=>"folder", "value"=>"556"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"value"=>"11 Items", "name"=>"extent"}], "supress_display"=>true}
- extent_statement
-
11 Items
- unitid
-
{"type"=>"local_mss", "value"=>"632918"}
- date_start
-
1989
- date_end
-
1990
- keydate
-
1989