- unitid
-
{"value"=>"1114424", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1854 March 8", "type"=>"inclusive", "normal"=>"1854-03-08"}
- unittitle
-
{"value"=>"P. T. Barnum, at \"Am Museum\", to \"Friend Greeley\", at_?"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"4 pages", "unit"=>"pages"}]}
- container
-
{"type"=>"box", "value"=>"1"}
- date_start
-
1854-03-08
- keydate
-
1854-03-08
- date_end
-
1854-03-08
- date_inclusive_start
-
1854
- date_inclusive_end
-
1854
- extent_statement
-
4 pages