- unitid
-
{"value"=>"[MAI-17886]"}
{"value"=>"800209", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1968 April 4 - 1972 June 27", "type"=>"inclusive", "normal"=>"1968-04-04/1972-06-27"}
- unittitle
-
{"value"=>"<span class=\"persname\">Copland, Aaron, 1900-1990</span>. Correspondence with Carlos Chávez"}
- physdesc
-
{"format"=>"simple", "value"=>"10 leaves, 5 envelopes (8 letters from and 1 letter to Copland)."}
- container
-
{"type"=>"folder", "value"=>"5"}
- date_start
-
1968-04-04
- keydate
-
1968-04-04
- date_end
-
1972-06-27
- date_inclusive_start
-
1968
- date_inclusive_end
-
1972