Source Data Reference for:

City = Birmingham (UK)
Time = 1800

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Birmingham (UK)	1800	69,000			Jan De Vries	European urbanization 1500-1800	p270
Birmingham (UK)	1800	71,000			Tertius Chandler	Four thousand years of urban growth	p486
Birmingham (UK)	1800	71,000			Tertius Chandler	Four thousand years of urban growth	p23
Bromsgrove	1800	6,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Dudley	1800	10,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Elmbridge	1800	3,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Kidderminster	1800	6,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Rowley Regis	1800	5,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Sedgley	1800	10,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Walsall	1800	10,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
West Bromwich	1800	6,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Wolverhampton	1800	13,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Wolverhampton	1800	13,000			Jan De Vries	European urbanization 1500-1800	p271
Bilston	1800	7,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Birmingham (UK)	1800	71,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Birmingham (UK)	1801	74,000			Jan Lahmeyer	http://www.populstat.info/	n/a
Birmingham (UK)	1819	100,000	passed for the 1st time		Tertius Chandler	Four thousand years of urban growth	p542