Google Books Ngram Viewer

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

1800 - 1952 1953 - 1995 1996 - 1997 1998 - 1999 2000 a couple people English
1800 - 1944 1945 - 1993 1994 - 1996 1997 - 1998 1999 - 2000 a couple things English
1800 - 1939 1940 - 1992 1993 - 1996 1997 - 1998 1999 - 2000 a couple places English

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