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<iframe name="ngram_chart" src="https://books.google.com/ngrams/interactive_chart?content=Negro+poetry,African+American+poetry,Black+poetry&year_start=1900&year_end=2008&corpus=15&smoothing=3&share=&direct_url=t1;,Negro%20poetry;,c0;.t1;,African%20American%20poetry;,c0;.t1;,Black%20poetry;,c0" width=900 height=500 marginwidth=0 marginheight=0 hspace=0 vspace=0 frameborder=0 scrolling=no></iframe>
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cook_VERB, _DET_ President _PROPN_
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2008
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English (2012)
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English
2012
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negro poetry
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1900 - 1929
1930 - 1968
1969 - 1971
1972 - 1990
1991 - 2008
English
african american poetry
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1900 - 1994
1995 - 2003
2004
2005
2006 - 2008
English
black poetry
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1900 - 1971
1972
1973
1974 - 2001
2002 - 2008
English