- unitdate
-
{"value"=>"1929 Apr.- [?", "type"=>"inclusive", "certainty"=>"questionable", "normal"=>"1929-04"}
- unittitle
-
{"value"=>"Journal. Holograph notebook. Known as the Berlin journal"}
- physdesc
-
{"value"=>"journals", "format"=>"simple"}
{"format"=>"structured", "physdesc_components"=>[{"value"=>"1 v", "name"=>"extent"}], "supress_display"=>true}
- date_inclusive_start
-
1929
- date_inclusive_end
-
1929
- keydate
-
1929-04
- extent_statement
-
1 v
- unitid
-
{"type"=>"local_mss", "value"=>"549703"}
- date_start
-
1929-04
- date_end
-
1929-04