{"value"=>"1904 August 28", "type"=>"inclusive", "normal"=>"1904-08-28"}
date_inclusive_start
1904
date_inclusive_end
1904
keydate
1904-08-28
date_start
1904-08-28
date_end
1904-08-28
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"1 page"}], "supress_display"=>true}