- unitdate
-
{"value"=>"1934", "type"=>"inclusive", "normal"=>"1934"}
{"value"=>"1957", "type"=>"inclusive", "normal"=>"1957"}
- date_inclusive_start
-
1934
- date_inclusive_end
-
1957
- unittitle
-
{"value"=>"<span class=\"title\">El Universal</span> (Mexico City)"}
- container
-
{"type"=>"box", "value"=>"160"}
{"type"=>"folder", "value"=>"6"}
- unitid
-
{"type"=>"local_mss", "value"=>"390310"}
- date_start
-
1934
- date_end
-
1957
- keydate
-
1934