Google Books Ngram Viewer

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

1950 - 1957 1958 - 1992 1993 - 1995 1996 - 1998 1999 - 2000 incitement to hatred English

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