Google Books Ngram Viewer

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

1950 - 1958 1959 - 1992 1993 - 1995 1996 - 2000 2001 - 2008 book of documents English
1950 - 1957 1958 - 1965 1966 1967 - 2007 2008 classic of history English
1950 - 1959 1960 - 1999 2000 2001 - 2007 2008 classic of documents English
1950 - 1954 1955 - 1991 1992 1993 - 2003 2004 - 2008 book of historical documents English

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