- unitid
-
{"value"=>"589239", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1957 June 6", "type"=>"inclusive", "normal"=>"1957-06-06"}
{"value"=>"n.d", "type"=>"inclusive"}
- unittitle
-
{"value"=>"\"Concept approach\" and notes"}
- physdesc
-
{"format"=>"simple", "value"=>"1 folder"}
- container
-
{"type"=>"box", "value"=>"65"}
{"type"=>"folder", "value"=>"15"}
- date_start
-
1957-06-06
- keydate
-
1957-06-06
- date_end
-
1957-06-06
- date_inclusive_start
-
1957
- date_inclusive_end
-
1957