- unitid
-
{"value"=>"3206081", "type"=>"local_mss"}
{"value"=>"53", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1979-2014", "type"=>"inclusive", "normal"=>"1979/2014"}
- unittitle
-
{"value"=>"Certificates of Copyright Registration"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"128 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"157.5 megabytes", "unit"=>"megabytes"}]}
- scopecontent
-
{"value"=>"<p>Digital scans of originals.</p>"}
- date_start
-
1979
- keydate
-
1979
- date_end
-
2014
- date_inclusive_start
-
1979
- date_inclusive_end
-
2014
- extent_statement
-
157.5 megabytes (128 computer files)