- unitid
-
{"value"=>"3331695", "type"=>"local_mss"}
{"value"=>"72", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"circa 1991", "type"=>"inclusive", "normal"=>"1991", "certainty"=>"approximate"}
- unittitle
-
{"value"=>"Sinfonia Concertante"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"2 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"6.52 megabytes", "unit"=>"megabytes"}]}
- date_start
-
1991
- keydate
-
1991
- date_end
-
1991
- date_inclusive_start
-
1991
- date_inclusive_end
-
1991