Source Data Reference for:

City = Bristol
Time = 1800

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Bristol	1800	64,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Bristol	1800	66,000			Tertius Chandler	Four thousand years of urban growth	p23
Bristol	1800	66,000			Tertius Chandler	Four thousand years of urban growth	p486
Bristol	1800	64,000			Jan De Vries	European urbanization 1500-1800	p270
Bristol	1801	61,000			n/a	n/a	M Shed
Bristol	1801	64,000			Jan Lahmeyer	http://www.populstat.info/	n/a
Bristol	1822	100,000	passed for the 1st time		Tertius Chandler	Four thousand years of urban growth	p542