Google Books Ngram Viewer

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

1800 - 1944 1945 - 1990 1991 - 1993 1994 - 1996 1997 - 2000 mesures drastiques French
1800 - 1938 1939 - 1981 1982 - 1986 1987 - 1997 1998 - 2000 contrôle draconien French
1800 - 1906 1907 - 1972 1973 - 1981 1982 - 1989 1990 - 2000 mesures draconiennes French
1800 - 1977 1978 - 1994 1995 1996 - 1998 1999 - 2000 contrôle drastique French

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