[16] News from North China，The Weekly Review of the Far East（1921—1922），Jul 16，1921.
[17] George N.Kates，The Years That Were Fat，Peking：1933—1940，New York：Harper & Brothers Publishers，1952，p.81.“Heavily laden tables of re-freshment were set out on the lawn，there was lavish ice cream with many sweet cakes；and the Marine brass band，in dress uniform，played through the heat of the long afternoon，heaving up one patriotic song after another slowest at tempo.”
[18] Notes from Peking，Millard's China National Review（1919—1919），Jun 14，1919.