In an earlier post, I used Google Books Ngram tool to show that the frequency with which popular Chinese foods were mentioned in printed books corresponded closely with the opposite trends in popularity of chop suey and dim sum over the past half century or so.  
As a followup, I checked on how well these iconic Chinese foods compared with 'fortune cookie' and 'fried rice,' two other very popular Chinese restaurant foods.  The results below show that by the early 1980s dim sum was mentioned mo...

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