"As the chairman of the Municipal Council of the British Concession in Tianjin, W. W. Dickinson, reported to the consul in Tianjin, these regulations were “based on those which obtain in Shanghai and in the British Concession, and the committee made modifications and additions as past experience and present exigency seem to justify."
January 1, 1970
https://en.wikiquote.org/wiki/British_concession_of_Tianjin