Source Data Reference for:

City = Glasgow
Time = 1800

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Greenock	1800	17,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Greenock	1800	17,000			Jan De Vries	European urbanization 1500-1800	p271
Hamilton (UK)	1800	7,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Paisley	1800	25,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Paisley	1800	23,000			Tertius Chandler	Four thousand years of urban growth	p488
Paisley	1800	17,000			Jan De Vries	European urbanization 1500-1800	p271
Paisley	1800	23,000			Tertius Chandler	Four thousand years of urban growth	p25
Renfrew	1800	17,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Glasgow	1800	84,000			Tertius Chandler	Four thousand years of urban growth	p23
Glasgow	1800	84,000			Tertius Chandler	Four thousand years of urban growth	p485
Glasgow	1800	77,000			Jan De Vries	European urbanization 1500-1800	p271
Glasgow	1800	84,000			Tertius Chandler	Four thousand years of urban growth	p540
Glasgow	1800	70,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Glasgow	1801	77,000			Jan Lahmeyer	http://www.populstat.info/	n/a
Glasgow	1808	100,000	passed for the 1st time		Tertius Chandler	Four thousand years of urban growth	p542