- unitdate
-
{"value"=>"1971", "type"=>"inclusive", "normal"=>"1971"}
- date_inclusive_start
-
1971
- date_inclusive_end
-
1971
- unittitle
-
{"value"=>"Library of Congress"}
- container
-
{"type"=>"box", "value"=>"25"}
{"type"=>"folder", "value"=>"460"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"value"=>"1 Item", "name"=>"extent"}], "supress_display"=>true}
- extent_statement
-
1 Item
- unitid
-
{"type"=>"local_mss", "value"=>"632819"}
- date_start
-
1971
- date_end
-
1971
- keydate
-
1971