- unitid
-
{"type"=>"local_mss", "value"=>"279294"}
{"type"=>"local_emmet", "value"=>"EM. 12255"}
- unittitle
-
{"value"=>"Letter to George T. Elliot, MD"}
- unitdate
-
{"value"=>"Dec. 16, 1847", "type"=>"inclusive", "normal"=>"1847-12-16"}
- date_inclusive_start
-
1847
- date_inclusive_end
-
1847
- keydate
-
1847-12-16
- abstract
-
{"value"=>"Sends a scab from his child to be used to vaccinate patients."}
- origination
-
{"type"=>"persname", "role"=>"Creator", "value"=>"Francis, Samuel M."}
- date_start
-
1847-12-16
- date_end
-
1847-12-16