- unitid
-
{"value"=>"[MAI-9458]", "type"=>"local_call"}
{"value"=>"1141296", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1967 December 11-1968 January 5", "type"=>"inclusive", "normal"=>"1967-12-11/1968-01-05"}
- date_inclusive_start
-
1967
- date_inclusive_end
-
1968
- keydate
-
1967-12-11
- date_start
-
1967-12-11
- date_end
-
1968-01-05
- unittitle
-
{"value"=>"<name>Helliwell, Ernest H., III</name>, Letters"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"2 letters"}], "supress_display"=>true}
- container
-
{"type"=>"folder", "value"=>"529"}
- extent_statement
-
2 letters