Source Data Reference for:

City = Columbus (OH-USA)
Time = 1950

City Year Size Size Comment Year Comment Author Title Location
Columbus1925 268,000Tertius ChandlerFour thousand years of urban growthp506
Columbus1950 430,000Tertius ChandlerFour thousand years of urban growthp508
Columbus1950 375,900Johan HuizingaInternationaal aardrijkskundig woordenboek
Columbus1950 79,600Johan HuizingaInternationaal aardrijkskundig woordenboek