Google Books Ngram Viewer

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

1800 - 1815 1816 - 1962 1963 - 1977 1978 - 1989 1990 - 2000 several people English
1800 - 1807 1808 - 1815 1816 - 1823 1824 - 1928 1929 - 2000 several persons English

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