{"value"=>"1915 March 17", "type"=>"inclusive", "normal"=>"1915-03-17"}
date_inclusive_start
1915
date_inclusive_end
1915
keydate
1915-03-17
date_start
1915-03-17
date_end
1915-03-17
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"3 pages"}], "supress_display"=>true}