- unitid
-
{"value"=>"[MAI-19431]", "type"=>"local_call"}
{"value"=>"1142133", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1972 March", "type"=>"inclusive", "normal"=>"1972-03"}
- date_inclusive_start
-
1972
- date_inclusive_end
-
1972
- keydate
-
1972-03
- date_start
-
1972-03
- date_end
-
1972-03
- unittitle
-
{"value"=>"<name>Spencer Trask and Company</name>, Letter"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 letter typed"}], "supress_display"=>true}
- scopecontent
-
{"value"=>"<p>Related names: Billera, Richard D.</p>"}
- container
-
{"type"=>"folder", "value"=>"1204"}
- extent_statement
-
1 letter typed