- unitid
-
{"value"=>"3567619", "type"=>"local_mss"}
{"value"=>"839010", "type"=>"local_mss_av"}
{"value"=>"839013", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1965", "type"=>"inclusive", "normal"=>"1965"}
- unittitle
-
{"value"=>"Volume 4"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"2 audio recordings", "unit"=>"audio_recordings"}]}
- date_start
-
1965
- keydate
-
1965
- date_end
-
1965
- date_inclusive_start
-
1965
- date_inclusive_end
-
1965
- extent_statement
-
2 audio recordings