Google Books Ngram Viewer

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

1800 - 1885 1886 - 1942 1943 - 1952 1953 - 1990 1991 - 2000 copyright on English
1800 - 1845 1846 - 1879 1880 - 1894 1895 - 1991 1992 - 2000 copyright to English

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