- unitid
-
{"value"=>"3371785", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1970", "type"=>"inclusive", "normal"=>"1970"}
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"McGraw-Hill (Hightstown, N.J.)"}
- container
-
{"type"=>"box", "value"=>"391"}
{"type"=>"folder", "value"=>"5"}
- date_start
-
1970
- keydate
-
1970
- date_end
-
1970
- date_inclusive_start
-
1970
- date_inclusive_end
-
1970