- unitid
-
{"value"=>"2102651", "type"=>"local_mss"}
{"value"=>"33433087954941", "type"=>"local_barcode"}
- unitdate
-
{"value"=>"[1774?]", "type"=>"inclusive", "normal"=>"1774", "certainty"=>"questionable"}
- unittitle
-
{"value"=>"Letter from an unidentified correspondent"}
- container
-
{"type"=>"box", "value"=>"2"}
{"type"=>"folder", "value"=>"22"}
- date_start
-
1774
- keydate
-
1774
- date_end
-
1774
- date_inclusive_start
-
1774
- date_inclusive_end
-
1774