{"value"=>"18-30 April 1879", "type"=>"inclusive", "normal"=>"1879-04-18/1879-04-30"}
date_inclusive_start
1879
date_inclusive_end
1879
keydate
1879-04-18
date_start
1879-04-18
date_end
1879-04-30
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"2 pages"}], "supress_display"=>true}