- unitid
-
{"value"=>"3200881", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1967", "type"=>"inclusive", "normal"=>"1967"}
- unittitle
-
{"value"=>"Welch, Robert. \"To The Negroes of America\""}
- scopecontent
-
{"value"=>"<p>Belmont, MA: American Opinion</p>"}
- container
-
{"type"=>"box", "value"=>"106"}
{"type"=>"folder", "value"=>"42"}
- date_start
-
1967
- keydate
-
1967
- date_end
-
1967
- date_inclusive_start
-
1967
- date_inclusive_end
-
1967