Google Books Ngram Viewer

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

1960 - 1963 1964 - 1968 1969 1970 - 1993 1994 - 2000 colored people English
1960 - 1972 1973 - 1996 1997 1998 1999 - 2000 people of color English

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