- unitid
-
{"value"=>"2031755", "type"=>"local_mss"}
{"value"=>"33433116968987", "type"=>"local_barcode"}
- unitdate
-
{"value"=>"1837-1848", "type"=>"inclusive", "normal"=>"1837/1848"}
{"value"=>"1866", "type"=>"inclusive", "normal"=>"1866"}
- unittitle
-
{"value"=>"Jones to E. A. Duyckinck"}
- container
-
{"type"=>"box", "value"=>"9"}
{"type"=>"folder", "value"=>"21"}
- date_start
-
1837
- keydate
-
1837
- date_end
-
1866
- date_inclusive_start
-
1837
- date_inclusive_end
-
1866