- unitid
-
{"value"=>"[MAI-17952]"}
{"value"=>"800217", "type"=>"local_mss"}
- unitdate
-
{"value"=>"[1928] July 18 - [1929] December 5", "type"=>"inclusive", "normal"=>"1928-07-18/1929-12-05", "certainty"=>"inferred"}
- unittitle
-
{"value"=>"<span class=\"persname\">Copland, Aaron, 1900-1990</span>. Correspondence with Carlos Chávez"}
- physdesc
-
{"format"=>"simple", "value"=>"18 leaves (9 letters from and 1 letter to Copland)."}
- container
-
{"type"=>"folder", "value"=>"13"}
- date_start
-
1928-07-18
- keydate
-
1928-07-18
- date_end
-
1929-12-05
- date_inclusive_start
-
1928
- date_inclusive_end
-
1929