Google Books Ngram Viewer

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

1800 - 1915 1916 - 1999 2000 - 2002 2003 - 2005 2006 - 2008 human rights English
1800 - 1914 1915 - 1992 1993 - 1997 1998 - 2002 2003 - 2008 property rights English

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