- unitid
-
{"value"=>"3588700", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1967", "type"=>"inclusive", "normal"=>"1967"}
{"value"=>"1974", "type"=>"inclusive", "normal"=>"1974"}
- unittitle
-
{"value"=>"<span class=\"title\">Easy Duets for Two Recorders</span>"}
- container
-
{"type"=>"box", "value"=>"258"}
{"type"=>"folder", "value"=>"8"}
- date_start
-
1967
- keydate
-
1967
- date_end
-
1974
- date_inclusive_start
-
1967
- date_inclusive_end
-
1974