- unitdate
-
{"value"=>"1915", "type"=>"inclusive", "normal"=>"1915"}
- date_inclusive_start
-
1915
- date_inclusive_end
-
1915
- unittitle
-
{"value"=>"<span class=\"title\">Prelude</span>"}
- container
-
{"type"=>"box", "value"=>"1"}
{"type"=>"folder", "value"=>"25"}
- note
-
{"type"=>"did", "value"=>"Chopin, Frédéric "}
- unitid
-
{"type"=>"local_mss", "value"=>"377310"}
- date_start
-
1915
- date_end
-
1915
- keydate
-
1915