Source Data Reference for:

City = San Francisco
Time = 1900

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
San Francisco	1875	214,000			Tertius Chandler	Four thousand years of urban growth	p491
San Francisco	1875	214,000			Tertius Chandler	Four thousand years of urban growth	p520
San Francisco	1900	342,800			Carl Ritter	Ritter's geographisch-statistisches Lexikon
San Francisco	1900	439,000			Tertius Chandler	Four thousand years of urban growth	p536
San Francisco	1900	439,000			Tertius Chandler	Four thousand years of urban growth	p540
San Francisco	1900	439,000			Tertius Chandler	Four thousand years of urban growth	p492
San Francisco	1914	709,000			Tertius Chandler	Four thousand years of urban growth	p504