- unitdate
-
{"value"=>"1971 Jul", "type"=>"inclusive", "normal"=>"1971-07"}
{"value"=>"1972 Mar-Apr", "type"=>"inclusive", "normal"=>"1972-03/1972-04"}
- unittitle
-
{"value"=>"Litvag, Irving"}
- container
-
{"type"=>"box", "value"=>"18"}
{"type"=>"folder", "value"=>"51"}
- date_inclusive_start
-
1971
- date_inclusive_end
-
1972
- keydate
-
1971-07
- unitid
-
{"type"=>"local_mss", "value"=>"515177"}
- date_start
-
1971-07
- date_end
-
1972-04