- unitid
-
{"value"=>"3243040", "type"=>"local_mss"}
{"value"=>"564871", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"[1984]", "type"=>"inclusive", "normal"=>"1984", "certainty"=>"inferred"}
- unittitle
-
{"value"=>"<span class=\"title\">Speed Trials</span>"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- date_start
-
1984
- keydate
-
1984
- date_end
-
1984
- date_inclusive_start
-
1984
- date_inclusive_end
-
1984
- extent_statement
-
1 audio recording