{"value"=>"29 March 1926", "type"=>"inclusive", "normal"=>"1926-03-29"}
date_inclusive_start
1926
date_inclusive_end
1926
keydate
1926-03-29
date_start
1926-03-29
date_end
1926-03-29
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"18 pages"}], "supress_display"=>true}