- unitid
-
{"value"=>"3145473", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1953", "type"=>"inclusive", "normal"=>"1953"}
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"Ballet, unidentified production"}
- container
-
{"type"=>"box", "value"=>"14"}
{"type"=>"folder", "value"=>"11"}
- date_start
-
1953
- keydate
-
1953
- date_end
-
1953
- date_inclusive_start
-
1953
- date_inclusive_end
-
1953