- unitdate
-
{"value"=>"ca. 1971", "type"=>"inclusive", "certainty"=>"approximate", "normal"=>"1971"}
{"value"=>"ca. 1973", "type"=>"inclusive", "certainty"=>"approximate", "normal"=>"1973"}
- unittitle
-
{"value"=>"Viertel, Peter and Kerr, Deborah"}
- container
-
{"type"=>"box", "value"=>"9"}
{"type"=>"folder", "value"=>"21"}
- date_inclusive_start
-
1971
- date_inclusive_end
-
1973
- keydate
-
1971
- unitid
-
{"type"=>"local_mss", "value"=>"722325"}
- date_start
-
1971
- date_end
-
1973