- unitid
-
{"value"=>"172323", "type"=>"local_mss"}
{"value"=>"3.39", "type"=>"local_call"}
- unitdate
-
{"value"=>"1893", "type"=>"inclusive", "normal"=>"1893"}
{"value"=>"1902", "type"=>"inclusive", "normal"=>"1902"}
- unittitle
-
{"value"=>"Unidentified Letters"}
- physdesc
-
{"format"=>"simple", "value"=>"2"}
- container
-
{"type"=>"box", "value"=>"3"}
- date_start
-
1893
- keydate
-
1893
- date_end
-
1902
- date_inclusive_start
-
1893
- date_inclusive_end
-
1902