Copy of a letter to Major-General, Sir Edward Lugard, Military Secretary,  pointing out the necessity to have the pathology, the etiology, and the medical treatment of cholera scientifically studied by the Army Medical Department / by David Macloughlin.

Instructions to commanding, medical, and other officers of the army : for their guidance at a time when there is reason to anticipate an outbreak of cholera, or when it is actually prevalent among the troops / [Edward Lugard], War Department.

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