- unitid
-
{"value"=>"2032020", "type"=>"local_mss"}
{"value"=>"33433116969001", "type"=>"local_barcode"}
- unitdate
-
{"value"=>"1837-1848", "type"=>"inclusive", "normal"=>"1837/1848"}
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"To G. L. Duyckinck"}
- container
-
{"type"=>"box", "value"=>"11"}
{"type"=>"folder", "value"=>"35"}
- date_start
-
1837
- keydate
-
1837
- date_end
-
1848
- date_inclusive_start
-
1837
- date_inclusive_end
-
1848