{"value"=>"1902 January 31", "type"=>"inclusive", "normal"=>"1902-01-31"}
date_inclusive_start
1902
date_inclusive_end
1902
keydate
1902-01-31
date_start
1902-01-31
date_end
1902-01-31
physdesc
{"format"=>"structured", "physdesc_components"=>[{"value"=>"autograph letter signed "}, {"name"=>"extent", "value"=>"1 page"}], "supress_display"=>true}