Google Books Ngram Viewer

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

1900 - 1906 1907 - 1946 1947 - 1951 1952 - 1960 1961 - 1970 cut the branches English
1900 1901 1902 - 1922 1923 - 1960 1961 - 1970 cut the boughs English
1900 - 1908 1909 - 1947 1948 - 1953 1954 - 1966 1967 - 1970 the tree branches English
1900 - 1904 1905 - 1917 1918 - 1919 1920 - 1954 1955 - 1970 the tree boughs English

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