- unitdate
-
{"value"=>"1957", "type"=>"inclusive", "normal"=>"1957"}
{"value"=>"Undated", "type"=>"inclusive"}
- date_inclusive_start
-
1957
- date_inclusive_end
-
1957
- unittitle
-
{"value"=>"Thank you letters, Mar. 10 - 22"}
- container
-
{"type"=>"box", "value"=>"144"}
{"type"=>"folder", "value"=>"13"}
- unitid
-
{"type"=>"local_mss", "value"=>"772712"}
- date_start
-
1957
- date_end
-
1957
- keydate
-
1957