{"value"=>"4 May 1937", "type"=>"inclusive", "normal"=>"1937-05-04"}
date_inclusive_start
1937
date_inclusive_end
1937
keydate
1937-05-04
date_start
1937-05-04
date_end
1937-05-04
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"1 page"}], "supress_display"=>true}