- unitdate
-
{"value"=>"1952-1991", "type"=>"inclusive", "normal"=>"1952/1991"}
{"value"=>"undated", "type"=>"inclusive"}
- date_inclusive_start
-
1952
- date_inclusive_end
-
1991
- unittitle
-
{"value"=>"<span class=\"title\">The Empty Bottle</span>"}
- scopecontent
-
{"value"=>"<p>Opera. Music by Kalmanoff, libretto by Atra Baer. See also scores in boxes 52-53, box 54, folders 1-5 and box 120, folders 5-6.</p>"}
- unitid
-
{"type"=>"local_mss", "value"=>"881819"}
- date_start
-
1952
- date_end
-
1991
- keydate
-
1952