- unitid
-
{"value"=>"731837", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1977-1984", "type"=>"inclusive", "normal"=>"1977/1984"}
{"value"=>"1992", "type"=>"inclusive", "normal"=>"1992"}
- unittitle
-
{"value"=>"Subscriber's Handbook"}
- container
-
{"type"=>"box", "value"=>"146"}
{"type"=>"folder", "value"=>"18"}
- date_start
-
1977
- keydate
-
1977
- date_end
-
1992
- date_inclusive_start
-
1977
- date_inclusive_end
-
1992