- unitdate
-
{"value"=>"1976", "type"=>"inclusive", "normal"=>"1976"}
{"value"=>"1977", "type"=>"inclusive", "normal"=>"1977"}
- date_inclusive_start
-
1976
- date_inclusive_end
-
1977
- unittitle
-
{"value"=>"<span class=\"title\">Published sheet music</span>"}
- container
-
{"type"=>"box", "value"=>"9"}
{"type"=>"folder", "value"=>"37"}
- unitid
-
{"type"=>"local_mss", "value"=>"845967"}
- date_start
-
1976
- date_end
-
1977
- keydate
-
1976