A letter, addressed to the Right Honourable Lord John Russell, M.P., secretary of state for the Home Department : on the evil policy of those measures of quarantine, and restrictive police, which are employed for arresting the progress of the Asiatic cholera : with an enquiry into the nature of, and means of obviating, those circumstances in the physical condition of the labouring poor, by which they are especially predisposed to the disease, and rendered nearly the only victims to it /