- unitid
-
{"value"=>"810715", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1932", "type"=>"inclusive", "normal"=>"1932"}
{"value"=>"1957", "type"=>"inclusive", "normal"=>"1957"}
- unittitle
-
{"value"=>"Fritz Mahler conducting"}
- container
-
{"type"=>"box", "value"=>"7"}
{"type"=>"folder", "value"=>"36"}
- date_start
-
1932
- keydate
-
1932
- date_end
-
1957
- date_inclusive_start
-
1932
- date_inclusive_end
-
1957