Google Books Ngram Viewer

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

1500 - 1804 1805 - 1833 1834 - 1837 1838 - 1936 1937 - 2008 doomsday book English

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