- unitid
-
{"value"=>"3145226", "type"=>"local_mss"}
- unitdate
-
{"value"=>"April 1959", "type"=>"inclusive", "normal"=>"1959-04"}
{"value"=>"undated 1959", "type"=>"inclusive"}
- unittitle
-
{"value"=>"Metropolitan Opera House, New York City"}
- scopecontent
-
{"value"=>"<p>Includes Irene Dalis, Delia Rigal, Paul Franke, Lubomir Vichegonov, Jerome Hines, Richard Tucker, Eugenio Fernandi, Robert Nagy, Frank Guarrera, and others</p>"}
- container
-
{"type"=>"box", "value"=>"4"}
{"type"=>"folder", "value"=>"2"}
- date_start
-
1959-04
- keydate
-
1959-04
- date_end
-
1959-04
- date_inclusive_start
-
1959
- date_inclusive_end
-
1959