- unitdate
-
{"value"=>"1975 - 1977", "type"=>"inclusive", "normal"=>"1975/1977"}
{"value"=>"undated", "type"=>"inclusive"}
- date_inclusive_start
-
1975
- date_inclusive_end
-
1977
- unittitle
-
{"value"=>"Swing, Peter Gram"}
- container
-
{"type"=>"box", "value"=>"16"}
{"type"=>"folder", "value"=>"19"}
- unitid
-
{"type"=>"local_mss", "value"=>"826870"}
- date_start
-
1975
- date_end
-
1977
- keydate
-
1975