Source Data Reference for:

City = Budapest
Time = 1850

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Budapest	1825	87,000			Tertius Chandler	Four thousand years of urban growth	p518
Budapest	1829	100,000	passed for the 1st time		Tertius Chandler	Four thousand years of urban growth	p542
Budapest	1846	141,600			Jan Lahmeyer	http://www.populstat.info/	n/a
Buda	1850	42,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Obuda	1850	12,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Pest	1850	119,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Budapest	1850	156,000			Tertius Chandler	Four thousand years of urban growth	p519
Budapest	1850	156,000			Tertius Chandler	Four thousand years of urban growth	p24
Budapest	1850	156,000			Tertius Chandler	Four thousand years of urban growth	p490
Budapest	1850	156,000			Tertius Chandler	Four thousand years of urban growth	p536
Budapest	1861	210,000			Tertius Chandler	Four thousand years of urban growth	p540