- unitid
-
{"value"=>"3145432", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1953-1954", "type"=>"inclusive", "normal"=>"1953/1954"}
{"value"=>"1957", "type"=>"inclusive", "normal"=>"1957"}
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"<span class=\"title\">Don Giovanni</span>"}
- scopecontent
-
{"value"=>"<p>Includes Ezio Flagello, George London, Lucine Amara, Roberta Peters, Lorenzo Alvary, and others</p>"}
- container
-
{"type"=>"box", "value"=>"11"}
{"type"=>"folder", "value"=>"12"}
- date_start
-
1953
- keydate
-
1953
- date_end
-
1957
- date_inclusive_start
-
1953
- date_inclusive_end
-
1957