- unitid
-
{"value"=>"3145371", "type"=>"local_mss"}
- unitdate
-
{"value"=>"March 1960", "type"=>"inclusive", "normal"=>"1960-03"}
{"value"=>"undated 1960", "type"=>"inclusive"}
- unittitle
-
{"value"=>"Metropolitan Opera House, New York City"}
- scopecontent
-
{"value"=>"<p>Includes Frank Guarrera, Zinka Milanov, Astrid Varnay, Paul Franke, Richard Tucker, Leonard Warren, Lubomir Vichegonov, Mihály Székely, Jerome Hines, Ezio Flagello, Renata Tebaldi, and others</p>"}
- container
-
{"type"=>"box", "value"=>"9"}
{"type"=>"folder", "value"=>"2"}
- date_start
-
1960-03
- keydate
-
1960-03
- date_end
-
1960-03
- date_inclusive_start
-
1960
- date_inclusive_end
-
1960