Google Books Ngram Viewer

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

1908 - 1920 1921 - 1939 1940 - 1947 1948 - 2000 2001 - 2008 toys for children English
1908 - 1926 1927 - 1930 1931 - 1978 1979 - 2001 2002 - 2008 toys for boys English
1908 - 1926 1927 - 1990 1991 - 1997 1998 - 2001 2002 - 2008 toys for girls English

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