{"value"=>"1876 May 1", "type"=>"inclusive", "normal"=>"1876-05-01"}
date_inclusive_start
1876
date_inclusive_end
1876
keydate
1876-05-01
date_start
1876-05-01
date_end
1876-05-01
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"2 pages"}], "supress_display"=>true}