Source Data Reference for:

City = Amsterdam
Time = 1850

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Amsterdam	1825	196,000			Tertius Chandler	Four thousand years of urban growth	p489
Amsterdam	1825	196,000			Tertius Chandler	Four thousand years of urban growth	p518
Amsterdam	1825	196,000			Tertius Chandler	Four thousand years of urban growth	p536
Amsterdam	1840	211,300			Jan Lahmeyer	http://www.populstat.info/	n/a
Amsterdam	1850	225,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Amsterdam	1850	225,000			Tertius Chandler	Four thousand years of urban growth	p490
Amsterdam	1850	225,000			Tertius Chandler	Four thousand years of urban growth	p24
Amsterdam	1850	225,000			Tertius Chandler	Four thousand years of urban growth	p519
Amsterdam	1850	225,000			Tertius Chandler	Four thousand years of urban growth	p536
Amsterdam	1861	268,000			Tertius Chandler	Four thousand years of urban growth	p540