- unitid
-
{"value"=>"286831", "type"=>"local_mss"}
{"value"=>"167-169", "type"=>"local_call"}
- unitdate
-
{"value"=>"1936", "type"=>"inclusive", "normal"=>"1936"}
{"value"=>"1942", "type"=>"inclusive", "normal"=>"1942"}
{"value"=>"1974", "type"=>"inclusive", "normal"=>"1974"}
- unittitle
-
{"value"=>"<span class=\"title\">Eight Preludes for Piano</span>"}
- container
-
{"type"=>"box", "value"=>"125"}
{"type"=>"folder", "value"=>"18-20"}
- date_start
-
1936
- keydate
-
1936
- date_end
-
1974
- date_inclusive_start
-
1936
- date_inclusive_end
-
1974