Google Books Ngram Viewer

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

1800 - 1862 1863 - 1922 1923 - 1934 1935 - 1983 1984 - 2000 encyclopaedia English
1800 - 1898 1899 - 1976 1977 - 1984 1985 - 1993 1994 - 2000 encyclopedia English

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