- unitdate
-
{"value"=>"1980", "type"=>"inclusive", "normal"=>"1980"}
{"value"=>"n.d.", "type"=>"inclusive"}
- date_inclusive_start
-
1980
- date_inclusive_end
-
1980
- physdesc
-
{"value"=>"master libretto, Universal Edition correspondence and typescript libretto", "format"=>"simple"}
- container
-
{"type"=>"box", "value"=>"60"}
{"type"=>"folder", "value"=>"5"}
- unitid
-
{"type"=>"local_mss", "value"=>"811536"}
- date_start
-
1980
- date_end
-
1980
- keydate
-
1980