- unitid
-
{"value"=>"3501521", "type"=>"local_mss"}
{"value"=>"90", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"2001-2007", "type"=>"inclusive", "normal"=>"2001/2007"}
- unittitle
-
{"value"=>"Mailing Lists"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"24 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"1.7 megabytes", "unit"=>"megabytes"}]}
- date_start
-
2001
- keydate
-
2001
- date_end
-
2007
- date_inclusive_start
-
2001
- date_inclusive_end
-
2007
- extent_statement
-
1.7 megabytes (24 computer files)