- unitid
-
{"value"=>"2052093", "type"=>"local_mss"}
{"value"=>"33433114487816", "type"=>"local_barcode"}
- unitdate
-
{"value"=>"1940s", "type"=>"inclusive", "normal"=>"1940/1949"}
- unittitle
-
{"value"=>"<span class=\"title\">Les Sylphides</span> - Metropolitan Opera House"}
- container
-
{"type"=>"box", "value"=>"5"}
{"type"=>"folder", "value"=>"6"}
- date_start
-
1940
- keydate
-
1940
- date_end
-
1949
- date_inclusive_start
-
1940
- date_inclusive_end
-
1949