- unitid
-
{"value"=>"300347", "type"=>"local_mss"}
{"value"=>"33433102639196", "type"=>"local_barcode"}
- unitdate
-
{"value"=>"1958-1972", "type"=>"inclusive", "normal"=>"1958/1972"}
- date_inclusive_start
-
1958
- date_inclusive_end
-
1972
- keydate
-
1958
- unittitle
-
{"value"=>"Public Opinion Surveys (Polls)"}
- scopecontent
-
{"value"=>"<p>Letter offering polling services and Markel's memoranda criticizing <span class=\"title\">The Times'</span> use of polls</p>"}
- container
-
{"type"=>"box", "value"=>"19"}
{"type"=>"folder", "value"=>"22"}
- note
-
{"type"=>"did", "value"=>"See also: United Nations: Public Opinion Surveys"}
- date_start
-
1958
- date_end
-
1972