Google Books Ngram Viewer

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

1800 - 1814 1815 - 1829 1830 - 1879 1880 - 1966 1967 - 2000 avoir recours French
1800 - 1929 1930 - 1989 1990 - 1993 1994 - 1997 1998 - 2000 faire recours French
1800 - 1815 1816 - 1849 1850 - 1866 1867 - 1971 1972 - 2000 avoir recours à French
1800 - 1938 1939 - 1988 1989 - 1992 1993 - 1996 1997 - 2000 faire recours à French

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