Google Books Ngram Viewer

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

1800 - 1900 1901 - 1977 1978 - 1987 1988 - 1997 1998 - 2008 nineteenth century English
1800 - 1926 1927 - 1988 1989 - 1994 1995 - 2000 2001 - 2008 19th century English

Run your own experiment! Raw data is available for download here.
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