{"value"=>"1874 June 8", "type"=>"inclusive", "normal"=>"1874-06-08"}
date_inclusive_start
1874
date_inclusive_end
1874
keydate
1874-06-08
date_start
1874-06-08
date_end
1874-06-08
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"2 pages"}], "supress_display"=>true}