- unitdate
-
{"value"=>"1939-1940", "type"=>"inclusive", "normal"=>"1939/1940"}
{"value"=>"undated", "type"=>"inclusive"}
- date_inclusive_start
-
1939
- date_inclusive_end
-
1940
- unittitle
-
{"value"=>"Toscanini, Arturo"}
- container
-
{"type"=>"box", "value"=>"7"}
{"type"=>"folder", "value"=>"6"}
- unitid
-
{"type"=>"local_mss", "value"=>"428994"}
- date_start
-
1939
- date_end
-
1940
- keydate
-
1939