TY - BOOK AU - Green, Richard L. CN - Q141 CN - CMC Q141 CY - Chicago : DA - c1990. ID - 171809 KW - African American scientists KW - African American inventors N1 - Cover title. N1 - "Black history at an early age." PB - Empak Enterprises, PP - Chicago : PY - c1990. SN - 092216276X (v. 2) SN - 0922162794 (set) T1 - Black scientists & inventors :a gift of heritage / TI - Black scientists & inventors :a gift of heritage / ER -