Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1800 - 1963 1964 - 2000 2001 - 2003 2004 - 2006 2007 - 2008 biracial English
1800 - 1966 1967 - 2000 2001 - 2003 2004 - 2006 2007 - 2008 multiracial English
1800 - 1884 1885 - 1931 1932 - 1937 1938 - 1991 1992 - 2008 octoroon English
1800 - 1853 1854 - 1863 1864 - 1918 1919 - 1988 1989 - 2008 quadroon English

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