- unitid
-
{"value"=>"3337091", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1909", "type"=>"inclusive", "normal"=>"1909"}
{"value"=>"1911", "type"=>"inclusive", "normal"=>"1911"}
- unittitle
-
{"value"=>"Colored Stationary Engineers Beneficial Association"}
- scopecontent
-
{"value"=>"<p>Two letters from the secretary of the International Union of Steam Engineers (white) regarding their efforts to recruit the Black engineers to affiliate with the International, plus four miscellaneous pieces.</p>"}
- container
-
{"type"=>"box", "value"=>"3"}
{"type"=>"folder", "value"=>"24"}
- date_start
-
1909
- keydate
-
1909
- date_end
-
1911
- date_inclusive_start
-
1909
- date_inclusive_end
-
1911