- unitid
-
{"value"=>"3203963", "type"=>"local_mss"}
{"value"=>"325713", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1989 December", "type"=>"inclusive", "normal"=>"1989-12"}
- unittitle
-
{"value"=>"Excerpts from Work-in-Progress Performance"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"00:28:37", "unit"=>"timecode"}]}
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 moving image recording", "unit"=>"moving_image_recordings"}]}
- date_start
-
1989-12
- keydate
-
1989-12
- date_end
-
1989-12
- date_inclusive_start
-
1989
- date_inclusive_end
-
1989
- extent_statement
-
(00:28:37) . 1 moving image recording