Google Books Ngram Viewer

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

1940 - 1941 1942 - 1953 1954 - 1955 1956 - 1958 1959 - 1970 dió Spanish
1940 - 1943 1944 - 1962 1963 - 1964 1965 - 1966 1967 - 1970 dio Spanish
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