Source Data Reference for:

City = Lisbon
Time = 1950

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Lisbon	1925	567,000			Tertius Chandler	Four thousand years of urban growth	p505
Lisbon	1950	790,400			Johan Huizinga	Internationaal aardrijkskundig woordenboek
Lisbon	1950	875,000			Tertius Chandler	Four thousand years of urban growth	p540
Lisbon	1950	875,000			Tertius Chandler	Four thousand years of urban growth	p508