- unitid
-
{"value"=>"[MAI-13284]", "type"=>"local_call"}
{"value"=>"1141539", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1947 March 31-1949 June 8", "type"=>"inclusive", "normal"=>"1947-03-31/1949-06-08"}
- date_inclusive_start
-
1947
- date_inclusive_end
-
1949
- keydate
-
1947-03-31
- date_start
-
1947-03-31
- date_end
-
1949-06-08
- unittitle
-
{"value"=>"<name>League of Composers</name>, Letters"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"2 letters, 1 concert schedule"}], "supress_display"=>true}
- container
-
{"type"=>"folder", "value"=>"715"}
- extent_statement
-
2 letters, 1 concert schedule