- unitid
-
{"value"=>"1114457", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1863 October 29", "type"=>"inclusive", "normal"=>"1863-10-29"}
- unittitle
-
{"value"=>"P. T. Barnum, at New York, to John S. Blatchford (United States Sanitary Commission), on letter head of Barnum's American Museum. Mentions Tom Thumb"}
- physdesc
-
{"format"=>"simple", "value"=>"autograph letter signed"}
- container
-
{"type"=>"box", "value"=>"1"}
- date_start
-
1863-10-29
- keydate
-
1863-10-29
- date_end
-
1863-10-29
- date_inclusive_start
-
1863
- date_inclusive_end
-
1863