Google Books Ngram Viewer

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

1800 - 1966 1967 - 1972 1973 - 1974 1975 - 1997 1998 - 2000 irving wallace English
1800 - 1976 1977 - 1990 1991 - 1992 1993 - 1997 1998 - 2000 thomas pynchon English

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