- unitdate
-
{"type"=>"inclusive", "value"=>"1979, April 18-21"}
- unittitle
-
{"value"=>"21st Annual Convention, Detroit"}
- container
-
{"type"=>"box", "value"=>"3"}
{"type"=>"folder", "value"=>"24"}
{"type"=>"reel", "value"=>"6"}
- date_inclusive_start
-
1979
- date_inclusive_end
-
1979
- keydate
-
1979
- unitid
-
{"type"=>"local_mss", "value"=>"897310"}