- unitid
-
{"value"=>"3186713", "type"=>"local_mss"}
{"value"=>"323727", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1973 June 11", "type"=>"inclusive", "normal"=>"1973-06-11"}
- unittitle
-
{"value"=>"Crocker, John"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- date_start
-
1973-06-11
- keydate
-
1973-06-11
- date_end
-
1973-06-11
- date_inclusive_start
-
1973
- date_inclusive_end
-
1973