{"value"=>"28 December 1994", "type"=>"inclusive", "normal"=>"1994-12-28"}
date_inclusive_start
1994
date_inclusive_end
1994
keydate
1994-12-28
date_start
1994-12-28
date_end
1994-12-28
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"5 pages"}], "supress_display"=>true}