- unitdate
-
{"value"=>"1939 - 1957", "type"=>"inclusive", "normal"=>"1939/1957"}
{"value"=>"Undated", "type"=>"inclusive"}
- date_inclusive_start
-
1939
- date_inclusive_end
-
1957
- unittitle
-
{"value"=>"By various authors,"}
- container
-
{"type"=>"box", "value"=>"50"}
{"type"=>"folder", "value"=>"8"}
- unitid
-
{"type"=>"local_mss", "value"=>"769912"}
- date_start
-
1939
- date_end
-
1957
- keydate
-
1939