Google Books Ngram Viewer

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

1920 - 1975 1976 - 1995 1996 - 1997 1998 - 2005 2006 - 2008 par voix de presse French
1920 - 1957 1958 - 1997 1998 - 2001 2002 - 2005 2006 - 2008 par voie de presse French

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