Source Data Reference for:

City = Lisbon
Time = 1750

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Lisbon	1750	213,000			Tertius Chandler	Four thousand years of urban growth	p534
Lisbon	1750	148,000			Jan De Vries	European urbanization 1500-1800	p278
Lisbon	1750	185,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Lisbon	1750	213,000			Tertius Chandler	Four thousand years of urban growth	p22
Lisbon	1750	213,000			Tertius Chandler	Four thousand years of urban growth	p484
Lisbon	1750	213,000			Tertius Chandler	Four thousand years of urban growth	p517