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Memorial of Dr. John Evans, praying the establishment of a system of quarantine regulations for the prevention of the spread of cholera. 39th Congress, 1st sess., Senate Mis. Doc. No. 66, Feb., 1866
Memorial of Dr. John Evans, praying the establishment of a system of quarantine regulations for the prevention of the spread of cholera. 39th Congress, 1st sess., Senate Mis. Doc. No. 66, Feb., 1866