Source Data Reference for:

City = Gdansk
Time = 1600

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Gdansk	1550	26,000			Jan De Vries	European urbanization 1500-1800	p272
Gdansk	1600	50,000			Jan De Vries	European urbanization 1500-1800	p272
Gdansk	1600	80,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Danzig	1600	49,000			Tertius Chandler	Four thousand years of urban growth	p539
Gdansk	1600	49,000			Tertius Chandler	Four thousand years of urban growth	p20
Gdansk	1600	49,000			Tertius Chandler	Four thousand years of urban growth	p515