https://en.wikipedia.org/wiki/List_of_North_American_cities_by_population#List ,
https://en.wikipedia.org/wiki/Combined_statistical_area#List_of_combined_statistical_areas
https://the-loaf-etc.blogspot.com/search?q=cities ,
https://the-loaf-etc.blogspot.com/2020/07/north-american-cities-by-population.html
