- unitid
-
{"type"=>"local_mss", "value"=>"278467"}
{"type"=>"local_emmet", "value"=>"EM. 8561"}
- unittitle
-
{"value"=>"Letter to Michael Gratz, Philadelphia"}
- unitdate
-
{"value"=>"Feb. 7, 1781", "type"=>"inclusive", "normal"=>"1781-02-07"}
- date_inclusive_start
-
1781
- date_inclusive_end
-
1781
- keydate
-
1781-02-07
- origination
-
{"type"=>"persname", "role"=>"Creator", "value"=>"Prevost, Augustine"}
- date_start
-
1781-02-07
- date_end
-
1781-02-07