- unitdate
-
{"value"=>"1958 - 1962", "type"=>"inclusive", "normal"=>"1958/1962"}
{"value"=>"undated", "type"=>"inclusive"}
- date_inclusive_start
-
1958
- date_inclusive_end
-
1962
- unittitle
-
{"value"=>"<span class=\"title\">Twentieth Century Harmony</span>"}
- container
-
{"type"=>"box", "value"=>"174"}
{"type"=>"folder", "value"=>"19"}
- unitid
-
{"type"=>"local_mss", "value"=>"830564"}
- date_start
-
1958
- date_end
-
1962
- keydate
-
1958