- unitid
-
{"value"=>"3667693", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1957", "type"=>"inclusive", "normal"=>"1957"}
- unittitle
-
{"value"=>"Instructions for my System of Orchestral Indication"}
- physdesc
-
{"format"=>"simple", "value"=>"2 leaves ; Holograph signed (photocopy)."}
- container
-
{"type"=>"box", "value"=>"18"}
{"type"=>"folder", "value"=>"121"}
- date_start
-
1957
- keydate
-
1957
- date_end
-
1957
- date_inclusive_start
-
1957
- date_inclusive_end
-
1957