Google Books Ngram Viewer

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

1950 - 1955 1956 - 1963 1964 - 1966 1967 - 1997 1998 - 2000 trentino English
1950 - 1958 1959 - 1967 1968 - 1970 1971 - 1998 1999 - 2000 province of trento English

Run your own experiment! Raw data is available for download here.
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