Google Books Ngram Viewer

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

1850 - 1862 1863 - 1881 1882 - 1890 1891 - 1973 1974 - 2008 astronom German
1850 - 1900 1901 - 1981 1982 - 1991 1992 - 1999 2000 - 2008 astrologe German
1850 - 1923 1924 - 1946 1947 - 1953 1954 - 1997 1998 - 2008 scharlatan German

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