- unitid
-
{"value"=>"286489", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1940", "type"=>"inclusive", "normal"=>"1940"}
{"value"=>"1978", "type"=>"inclusive", "normal"=>"1978"}
- unittitle
-
{"value"=>"20. \"The Business of Music\""}
- container
-
{"type"=>"box", "value"=>"84"}
{"type"=>"folder", "value"=>"1-14"}
- date_start
-
1940
- keydate
-
1940
- date_end
-
1978
- date_inclusive_start
-
1940
- date_inclusive_end
-
1978