@book{4473,
	author = {Ragsdale, Bruce A. and Treese, Joel D. and United States},
	title = {Black Americans in Congress, 1870-1989},
	publisher = {U.S. G.P.O.},
	year = {1990.},
	address = {Washington, D.C.},
	note = {Published by authority of House concurrent resolution 170, 101st Congress, 1st session, as House document no. 101-117.}
}