Source Data Reference for:

City = Sydney
Time = 1950

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Sydney	1925	1,039,000			Tertius Chandler	Four thousand years of urban growth	p505
Sydney	1947	1,484,400			Jan Lahmeyer	http://www.populstat.info/	n/a
Sydney	1950	1,635,000			Tertius Chandler	Four thousand years of urban growth	p540
Sydney	1950	1,635,000			Tertius Chandler	Four thousand years of urban growth	p507
Sydney	1970	2,780,000			Tertius Chandler	Four thousand years of urban growth	p510