- unitid
-
{"value"=>"3145393", "type"=>"local_mss"}
- unitdate
-
{"value"=>"March 1958", "type"=>"inclusive", "normal"=>"1958-03"}
- unittitle
-
{"value"=>"<span class=\"title\">Vanessa</span>, Metropolitan Opera House, New York City"}
- scopecontent
-
{"value"=>"<p>Includes Nicolai Gedda, Rosalind Elias, Regina Resnik, Giorgio Tozzi, and others</p>"}
- container
-
{"type"=>"box", "value"=>"9"}
{"type"=>"folder", "value"=>"3"}
- date_start
-
1958-03
- keydate
-
1958-03
- date_end
-
1958-03
- date_inclusive_start
-
1958
- date_inclusive_end
-
1958