Source Data Reference for:

City = Baltimore
Time = 1900

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Baltimore	1875	299,000			Tertius Chandler	Four thousand years of urban growth	p491
Baltimore	1875	299,000			Tertius Chandler	Four thousand years of urban growth	p520
Baltimore	1875	299,000			Tertius Chandler	Four thousand years of urban growth	p536
Baltimore	1875	299,000			Tertius Chandler	Four thousand years of urban growth	p535
Baltimore	1900	509,000			Carl Ritter	Ritter's geographisch-statistisches Lexikon
Baltimore	1900	508,000			Tertius Chandler	Four thousand years of urban growth	p540
Baltimore	1900	508,000			Tertius Chandler	Four thousand years of urban growth	p492
Baltimore	1900	508,000			Tertius Chandler	Four thousand years of urban growth	p536
Baltimore	1914	579,000			Tertius Chandler	Four thousand years of urban growth	p504