Source Data Reference for:

City = Brussels
Time = 1700

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Brussels	1650	63,000			Tertius Chandler	Four thousand years of urban growth	p482
Brussels	1650	69,000			Jan De Vries	European urbanization 1500-1800	p272
Brussels	1690	65,000			Jan Lahmeyer	http://www.populstat.info/	n/a
Brussels	1700	80,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Brussels	1700	70,000			Tertius Chandler	Four thousand years of urban growth	p539
Brussels	1700	80,000			Jan De Vries	European urbanization 1500-1800	p272
Brussels	1700	70,000			Tertius Chandler	Four thousand years of urban growth	p516
Brussels	1700	70,000			Tertius Chandler	Four thousand years of urban growth	p21
Brussels	1700	70,000			Tertius Chandler	Four thousand years of urban growth	p483