00649cam a2200229 4500 547133076 TxAuBib 20100322120000.0 011025s1961||||||||||||||||||||||||eng|u 61014455 9780671609320 0671609327 TxAuBib Douty, Esther (Morris). America's first woman chemist, Ellen Richards. New York : Messner, [1961] 191 p ; 22 cm. Includes bibliography. 20100322. Richards, Ellen Henrietta (Swallow) 1842-1911. TXKDM