- unitid
-
{"value"=>"3282251", "type"=>"local_mss"}
{"value"=>"560061", "type"=>"local_mss_av"}
{"value"=>"118", "type"=>"local_call"}
- unitdate
-
{"value"=>"1974 October 21", "type"=>"inclusive", "normal"=>"1974-10-21"}
- unittitle
-
{"value"=>"Harry Bridges -- Economic Club of Detroit"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- date_start
-
1974-10-21
- keydate
-
1974-10-21
- date_end
-
1974-10-21
- date_inclusive_start
-
1974
- date_inclusive_end
-
1974
- extent_statement
-
1 audio recording