- unitid
-
{"value"=>"2094663", "type"=>"local_mss"}
{"value"=>"33433076137763", "type"=>"local_barcode"}
- unitdate
-
{"value"=>"1957", "type"=>"inclusive", "normal"=>"1957"}
- unittitle
-
{"value"=>"Letters Re: Rule 22 (Revision of Rules Debate in US Debate)"}
- container
-
{"type"=>"box", "value"=>"1"}
{"type"=>"folder", "value"=>"10"}
- date_start
-
1957
- keydate
-
1957
- date_end
-
1957
- date_inclusive_start
-
1957
- date_inclusive_end
-
1957