- unitdate
-
{"value"=>"1939[?] - 1940", "type"=>"inclusive", "certainty"=>"questionable", "normal"=>"1939/1940"}
- unittitle
-
{"value"=>"Hassall, Christopher. LS, ALS, etc. to James B. Pinker and son"}
- physdesc
-
{"value"=>"in. corr.", "format"=>"simple"}
{"format"=>"structured", "physdesc_components"=>[{"value"=>"3 letters", "name"=>"extent"}], "supress_display"=>true}
- container
-
{"value"=>"Manuscript box"}
- date_inclusive_start
-
1939
- date_inclusive_end
-
1940
- keydate
-
1939
- extent_statement
-
3 letters
- unitid
-
{"type"=>"local_mss", "value"=>"530337"}
- date_start
-
1939
- date_end
-
1940