Source Data Reference for:

City = Baltimore
Time = 1850

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Baltimore	1825	69,000			Tertius Chandler	Four thousand years of urban growth	p518
Baltimore	1839	100,000	passed for the 1st time		Tertius Chandler	Four thousand years of urban growth	p542
Baltimore	1850	169,000			Tertius Chandler	Four thousand years of urban growth	p519
Baltimore	1850	169,000			Tertius Chandler	Four thousand years of urban growth	p530
Baltimore	1850	169,000			Tertius Chandler	Four thousand years of urban growth	p536
Baltimore	1850	169,000			Tertius Chandler	Four thousand years of urban growth	p44
Baltimore	1850	169,100			Jan Lahmeyer	http://www.populstat.info/	n/a
Baltimore	1850	169,000			Tertius Chandler	Four thousand years of urban growth	p490
Baltimore	1861	217,000			Tertius Chandler	Four thousand years of urban growth	p54
Baltimore	1861	217,000			Tertius Chandler	Four thousand years of urban growth	p540