- unitid
-
{"value"=>"3334969", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1940s-1990s", "type"=>"inclusive", "normal"=>"1940/1999"}
{"value"=>"1955-1992", "type"=>"bulk", "normal"=>"1955/1992"}
- unittitle
-
{"value"=>"American Ballet Theatre"}
- container
-
{"type"=>"box", "value"=>"1"}
{"type"=>"folder", "value"=>"2-3"}
- date_start
-
1940
- keydate
-
1940
- date_end
-
1999
- date_inclusive_start
-
1940
- date_inclusive_end
-
1999
- date_bulk_start
-
1955
- date_bulk_end
-
1992