Google Books Ngram Viewer

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

1940 - 1971 1972 - 1986 1987 - 1989 1990 - 2002 2003 - 2008 isaac asimov English
1940 - 1967 1968 - 1996 1997 - 2000 2001 - 2004 2005 - 2008 ray bradbury English
1940 - 1974 1975 - 1988 1989 - 1991 1992 - 2004 2005 - 2008 kurt vonnegut English
1940 - 1963 1964 - 1982 1983 - 1985 1986 - 2005 2006 - 2008 jack vance English
1940 - 1978 1979 - 1998 1999 - 2000 2001 - 2004 2005 - 2008 james tiptree English
1940 - 1967 1968 - 1980 1981 - 1982 1983 - 1999 2000 - 2008 theodore sturgeon English
1940 - 1973 1974 - 1981 1982 - 1983 1984 - 2003 2004 - 2008 leigh brackett English
1940 - 1959 1960 - 1980 1981 - 1982 1983 - 1999 2000 - 2008 sprague de camp English
1940 - 1970 1971 - 1981 1982 - 1984 1985 - 2003 2004 - 2008 robert sheckley English

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