- unitid
-
{"value"=>"3145268", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1958", "type"=>"inclusive", "normal"=>"1958"}
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"<span class=\"title\">Evgenii Onegin</span>, Metropolitan Opera House, New York City"}
- scopecontent
-
{"value"=>"<p>Includes George London, Martha Lipton, Richard Tucker, Rosalind Elias, Giorgio Tozzi, George Cehanovsky, and others</p>"}
- container
-
{"type"=>"box", "value"=>"6"}
{"type"=>"folder", "value"=>"1"}
- date_start
-
1958
- keydate
-
1958
- date_end
-
1958
- date_inclusive_start
-
1958
- date_inclusive_end
-
1958