Google Books Ngram Viewer

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

1800 - 1889 1890 - 1973 1974 - 1980 1981 - 1989 1990 - 2000 woman doctors English
1800 - 1911 1912 - 1978 1979 - 1985 1986 - 1993 1994 - 2000 women doctors English
1800 - 1887 1888 - 1901 1902 - 1907 1908 - 1979 1980 - 2000 lady doctors English

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