- unitid
-
{"value"=>"3187942", "type"=>"local_mss"}
{"value"=>"324866", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1971 June 1", "type"=>"inclusive", "normal"=>"1971-06-01"}
- unittitle
-
{"value"=>"Aptheker, Bettina [3]"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- scopecontent
-
{"value"=>"<p>On prison conditions.</p>"}
- date_start
-
1971-06-01
- keydate
-
1971-06-01
- date_end
-
1971-06-01
- date_inclusive_start
-
1971
- date_inclusive_end
-
1971