Google Books Ngram Viewer

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

1800 - 1820 1821 - 1852 1853 - 1867 1868 - 1982 1983 - 2008 brunswick English
1800 - 1884 1885 - 1975 1976 - 1986 1987 - 1996 1997 - 2008 braunschweig English

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