- unitdate
-
{"value"=>"1942", "type"=>"inclusive", "normal"=>"1942"}
{"value"=>"1960", "type"=>"inclusive", "normal"=>"1960"}
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"Cantata Numbers 51, 58, and 180"}
- container
-
{"type"=>"box", "value"=>"3"}
{"type"=>"folder", "value"=>"1"}
- note
-
{"type"=>"did", "value"=>"Bach, Johan Sebastian "}
- date_inclusive_start
-
1942
- date_inclusive_end
-
1960
- keydate
-
1942
- unitid
-
{"type"=>"local_mss", "value"=>"429409"}
- date_start
-
1942
- date_end
-
1960