- unitdate
-
{"type"=>"inclusive", "value"=>"1974, April 10-13"}
- unittitle
-
{"value"=>"16th Annual Convention, Chicago"}
- container
-
{"type"=>"box", "value"=>"3"}
{"type"=>"folder", "value"=>"19"}
{"type"=>"reel", "value"=>"6"}
- date_inclusive_start
-
1974
- date_inclusive_end
-
1974
- keydate
-
1974
- unitid
-
{"type"=>"local_mss", "value"=>"897305"}