- unitid
-
{"value"=>"339526", "type"=>"local_mss"}
{"value"=>"33433108754221", "type"=>"local_barcode"}
- unitdate
-
{"value"=>"1863-1864", "type"=>"inclusive", "normal"=>"1863/1864"}
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"Letters"}
- container
-
{"type"=>"box", "value"=>"102"}
{"type"=>"folder", "value"=>"6"}
- date_start
-
1863
- keydate
-
1863
- date_end
-
1864
- date_inclusive_start
-
1863
- date_inclusive_end
-
1864