Google Books Ngram Viewer

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

1800 - 1820 1821 - 1876 1877 - 1888 1889 - 1955 1956 - 2008 gustavus adolphus English
1800 - 1950 1951 - 1995 1996 1997 - 2002 2003 - 2008 gustav ii adolph English
1800 - 1952 1953 1954 - 1986 1987 - 2002 2003 - 2008 gustav ii adolf English

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