Google Books Ngram Viewer

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

1800 - 1875 1876 - 1901 1902 - 1910 1911 - 1977 1978 - 2000 old rectangular English
1800 - 1887 1888 - 1956 1957 1958 - 1984 1985 - 2000 rectangular old English
1800 - 1815 1816 - 1857 1858 1859 - 1978 1979 - 2000 new spherical English

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