1885-1972 1907-1973 1920- 1939-2013 20thcentury americanpoetry criticismandinterpretationmorgan criticismandinterpretationvadeboncoeur edwin englishlanguage englishlanguageauden englishlanguageheaney englishlanguagemorgan englishlanguagepound englishpoetry ezra historyandcriticism jamesjackson kilpatrick knowledge oldenglish pierre seamus sociallifeandcustoms style