Source Data Reference for:

City = Braunschweig
Time = 1800

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Braunschweig	1800	30,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Braunschweig	1800	27,000			Jan De Vries	European urbanization 1500-1800	p272
Braunschweig	1800	31,000			Tertius Chandler	Four thousand years of urban growth	p487
Braunschweig	1800	31,000			Tertius Chandler	Four thousand years of urban growth	p23