- unitid
-
{"value"=>"3186627", "type"=>"local_mss"}
{"value"=>"323666", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1973 October 2", "type"=>"inclusive", "normal"=>"1973-10-02"}
- unittitle
-
{"value"=>"Antonio, Emil de [3 and 4]"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- date_start
-
1973-10-02
- keydate
-
1973-10-02
- date_end
-
1973-10-02
- date_inclusive_start
-
1973
- date_inclusive_end
-
1973