Source Data Reference for:

City = Xian
Time = 1850

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Sian	1825	259,000			Tertius Chandler	Four thousand years of urban growth	p489
Sian	1825	259,000			Tertius Chandler	Four thousand years of urban growth	p518
Sian	1825	259,000			Tertius Chandler	Four thousand years of urban growth	p536
Sian	1850	275,000			Tertius Chandler	Four thousand years of urban growth	p80
Sian	1850	275,000			Tertius Chandler	Four thousand years of urban growth	p519
Sian	1850	275,000			Tertius Chandler	Four thousand years of urban growth	p536
Sian	1850	275,000			Tertius Chandler	Four thousand years of urban growth	p490