{"value"=>"18 January 1938", "type"=>"inclusive", "normal"=>"1938-01-18"}
date_inclusive_start
1938
date_inclusive_end
1938
keydate
1938-01-18
date_start
1938-01-18
date_end
1938-01-18
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"1 page"}], "supress_display"=>true}