Source Data Reference for:

City = Beijing
Time = 1200

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Peking	1150	100,000			Tertius Chandler	Four thousand years of urban growth	p537
Peking	1150	100,000			Tertius Chandler	Four thousand years of urban growth	p471
Peking	1150	100,000	passed for the 1st time		Tertius Chandler	Four thousand years of urban growth	p541
Peking	1200	130,000			Tertius Chandler	Four thousand years of urban growth	p528
Peking	1200	130,000			Tertius Chandler	Four thousand years of urban growth	p72
Peking	1200	130,000			Tertius Chandler	Four thousand years of urban growth	p532
Peking	1200	130,000			Tertius Chandler	Four thousand years of urban growth	p472