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Map of the District of Columbia. No. 2, Showing reported cases of typhoid fever per each 10,000 of population of white, colored, and all, in the various vital statistical divisions of the D.C. during the calendar year 1905

Map of the District of Columbia. No. 2, Showing reported cases of typhoid fever per each 10,000 of population of white, colored, and all, in the various vital statistical divisions of the D.C. during the calendar year 1905

District of Columbia. Health Department

Still Image (1907)