- unitid
-
{"value"=>"2113475", "type"=>"local_mss"}
{"value"=>"18", "type"=>"local_call"}
{"value"=>"33433112443183", "type"=>"local_barcode"}
- unitdate
-
{"value"=>"1750s", "type"=>"inclusive", "normal"=>"1750/1759"}
- unittitle
-
{"value"=>"Letter from Elihu Spencer to an unidentified recipient [William Smith Jr.]"}
- container
-
{"type"=>"box", "value"=>"1"}
{"type"=>"folder", "value"=>"3"}
- date_start
-
1750
- keydate
-
1750
- date_end
-
1759
- date_inclusive_start
-
1750
- date_inclusive_end
-
1759