Google Books Ngram Viewer

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

1900 - 1939 1940 - 1950 1951 - 1953 1954 - 2001 2002 - 2008 czechia English
1900 - 1994 1995 - 2001 2002 2003 - 2005 2006 - 2008 czech republic English
1900 - 1905 1906 - 1912 1913 - 1938 1939 - 1984 1985 - 2008 bohemia English

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