Google Books Ngram Viewer

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

1893 - 1916 1917 - 1921 1922 - 1957 1958 - 1999 2000 - 2008 women voters English
1893 - 1909 1910 - 1994 1995 - 1998 1999 - 2002 2003 - 2008 female voters English
1893 - 1910 1911 - 1917 1918 - 1921 1922 - 1987 1988 - 2008 men voters English
1893 - 1911 1912 - 1985 1986 - 1993 1994 - 1998 1999 - 2008 male voters English

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