Source Data Reference for:

City = Copenhagen
Time = 1950

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Copenhagen	1925	790,000			Tertius Chandler	Four thousand years of urban growth	p505
Copenhagen	1950	1,150,000			Tertius Chandler	Four thousand years of urban growth	p507
Copenhagen	1950	1,150,000			Tertius Chandler	Four thousand years of urban growth	p540
Copenhagen	1955	974,900			Johan Huizinga	Internationaal aardrijkskundig woordenboek