Google Books Ngram Viewer

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

1500 - 1755 1756 - 1878 1879 - 1895 1896 - 1968 1969 - 2008 sketch English
1500 - 1857 1858 - 1970 1971 - 1983 1984 - 1996 1997 - 2008 photograph English

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