{"value"=>"1891 June 1", "type"=>"inclusive", "normal"=>"1891-06-01"}
date_inclusive_start
1891
date_inclusive_end
1891
keydate
1891-06-01
date_start
1891-06-01
date_end
1891-06-01
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"4 pages"}], "supress_display"=>true}