- unitid
-
{"value"=>"3139357", "type"=>"local_mss"}
{"value"=>"681532", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1972 December 3", "type"=>"inclusive", "normal"=>"1972-12-03"}
- unittitle
-
{"value"=>"Ray Erickson, Cooper Union Reel 1"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- date_start
-
1972-12-03
- keydate
-
1972-12-03
- date_end
-
1972-12-03
- date_inclusive_start
-
1972
- date_inclusive_end
-
1972
- extent_statement
-
1 audio recording