- unitid
-
{"value"=>"1675521", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1920", "type"=>"inclusive", "normal"=>"1920"}
- unittitle
-
{"value"=>"String quartett (based on Negro folk tunes) in C minor, Opus 20"}
- container
-
{"type"=>"box", "value"=>"12"}
{"type"=>"folder", "value"=>"6"}
{"type"=>"reel", "value"=>"9"}
- date_start
-
1920
- keydate
-
1920
- date_end
-
1920
- date_inclusive_start
-
1920
- date_inclusive_end
-
1920