- unitid
-
{"value"=>"[MAI-30638]", "type"=>"local_call"}
{"value"=>"1144075", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1958", "type"=>"inclusive", "normal"=>"1958"}
{"value"=>"1961", "type"=>"inclusive", "normal"=>"1961"}
- date_inclusive_start
-
1958
- date_inclusive_end
-
1961
- keydate
-
1958
- date_start
-
1958
- date_end
-
1961
- unittitle
-
{"value"=>"Soviet Union trip: programs"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"4 programs"}], "supress_display"=>true}
- container
-
{"type"=>"folder", "value"=>"21"}
- extent_statement
-
4 programs