Google Books Ngram Viewer

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

1800 - 1849 1850 - 1886 1887 - 1894 1895 - 1982 1983 - 2000 sold at a cost of English
1800 - 1909 1910 - 1955 1956 - 1963 1964 - 1989 1990 - 2000 sold at a price of English

Run your own experiment! Raw data is available for download here.
© 2013 Google - Privacy & Terms - About Google - About Google Books - About Ngram Viewer