- unitid
-
{"value"=>"286906", "type"=>"local_mss"}
{"value"=>"318-322", "type"=>"local_call"}
- unitdate
-
{"value"=>"1921-1923", "type"=>"inclusive", "normal"=>"1921/1923"}
{"value"=>"1952", "type"=>"inclusive", "normal"=>"1952"}
- unittitle
-
{"value"=>"<span class=\"title\">Trio for Violin, Cello and Piano</span>, Op. 7"}
- container
-
{"type"=>"box", "value"=>"134"}
{"type"=>"folder", "value"=>"4-8"}
- date_start
-
1921
- keydate
-
1921
- date_end
-
1952
- date_inclusive_start
-
1921
- date_inclusive_end
-
1952