- unitid
-
{"value"=>"286858", "type"=>"local_mss"}
{"value"=>"237-240", "type"=>"local_call"}
- unitdate
-
{"value"=>"1917-1925", "type"=>"inclusive", "normal"=>"1917/1925"}
- unittitle
-
{"value"=>"<span class=\"title\">Sonata No. 2 for Violin and Piano</span>, Op 9"}
- container
-
{"type"=>"box", "value"=>"130"}
{"type"=>"folder", "value"=>"1-4"}
- date_start
-
1917
- keydate
-
1917
- date_end
-
1925
- date_inclusive_start
-
1917
- date_inclusive_end
-
1925