Google Books Ngram Viewer

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

1900 - 1928 1929 - 1936 1937 1938 - 1994 1995 - 2000 men are a problem English
1900 - 1905 1906 - 1927 1928 - 1931 1932 - 1965 1966 - 1971 men are problems English
1900 - 1939 1940 - 1963 1964 1965 - 1996 1997 - 2000 people are a problem English
1900 - 1946 1947 - 1951 1952 - 1954 1955 - 1996 1997 - 2000 people are problems English
1900 - 1946 1947 - 1994 1995 - 1996 1997 - 1998 1999 - 2000 women are a problem English
1900 - 1905 1906 - 1979 1980 1981 - 1997 1998 - 2000 women are problems English

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