- unitdate
-
{"value"=>"1965", "type"=>"inclusive", "normal"=>"1965"}
{"value"=>"1970", "type"=>"inclusive", "normal"=>"1970"}
{"value"=>"n.d", "type"=>"inclusive"}
- unittitle
-
{"value"=>"Methods, notes, and an article by E.M. Martin"}
- container
-
{"type"=>"box", "value"=>"14"}
{"type"=>"folder", "value"=>"6"}
- date_inclusive_start
-
1965
- date_inclusive_end
-
1970
- keydate
-
1965
- unitid
-
{"type"=>"local_mss", "value"=>"513011"}
- date_start
-
1965
- date_end
-
1970