- unitid
-
{"value"=>"2057868", "type"=>"local_mss"}
- unitdate
-
{"value"=>"12/5/1939", "type"=>"inclusive", "normal"=>"1939-12-05"}
- unittitle
-
{"value"=>"\"A Social Analysis of the Achievements of the Black Swan Record Company\""}
- container
-
{"type"=>"box", "value"=>"5"}
{"type"=>"folder", "value"=>"2"}
{"type"=>"reel", "value"=>"3"}
- date_start
-
1939-12-05
- keydate
-
1939-12-05
- date_end
-
1939-12-05
- date_inclusive_start
-
1939
- date_inclusive_end
-
1939