Google Books Ngram Viewer

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

1945 - 1952 1953 - 1989 1990 - 1994 1995 - 2000 2001 - 2008 histoire économique French
1945 - 1953 1954 - 1994 1995 - 1999 2000 - 2004 2005 - 2008 histoire politique French
1945 - 1958 1959 - 1995 1996 - 1999 2000 - 2003 2004 - 2008 histoire sociale French
1945 - 1970 1971 - 2002 2003 - 2004 2005 - 2006 2007 - 2008 histoire culturelle French

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