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Published online by Cambridge University Press: 07 August 2017
The Bulge has been mapped in the infrared both coarsely from balloon platforms and in detail from the IRAS satellite and the ground. The information revealed by each type of survey is discussed. Particular attention is given to surveys of the Sgr I clear field, its content of long-period variables and their implications for distance determination and the high end of the Bulge luminosity function.