Google Books Ngram Viewer

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

1800 - 1860 1861 - 1943 1944 - 1947 1948 - 1971 1972 - 2000 bonin islands English
1800 - 1932 1933 - 1941 1942 - 1945 1946 - 1989 1990 - 2000 ogasawara islands English

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