{"value"=>"16 March 1920", "type"=>"inclusive", "normal"=>"1920-03-16"}
date_inclusive_start
1920
date_inclusive_end
1920
keydate
1920-03-16
date_start
1920-03-16
date_end
1920-03-16
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"1 page"}], "supress_display"=>true}