1919-2013 1934- 1940- 1940-2003 1948- 1948-1997 20thcentury acker allegory american americanfiction delillo don doris english english-speakingcountries ethnicidentity heinemann historyandcriticism indianauthors indiansofnorthamerica james kathy lagunaindians larry leslie lessing momaday silko violenceinliterature warandliterature warstories water welch