{"value"=>"1877 August 15", "type"=>"inclusive", "normal"=>"1877-08-15"}
date_inclusive_start
1877
date_inclusive_end
1877
keydate
1877-08-15
date_start
1877-08-15
date_end
1877-08-15
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"4 pages"}], "supress_display"=>true}