- unitid
-
{"value"=>"3155962", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1847 April 23?", "type"=>"inclusive", "normal"=>"1847-04-23", "certainty"=>"questionable"}
- unittitle
-
{"value"=>"Letter to Harper & Brothers"}
- acqinfo
-
{"value"=>"<p>Donated by J. Pierpont Morgan, 1899, as part of the Ford Collection.</p>"}
- container
-
{"type"=>"box", "value"=>"310"}
{"type"=>"folder", "value"=>"1"}
- date_start
-
1847-04-23
- keydate
-
1847-04-23
- date_end
-
1847-04-23
- date_inclusive_start
-
1847
- date_inclusive_end
-
1847