Advice to opium eaters, with a detail of the effects of that drug upon the human frame, and a minute description of the sensations of a person who has been in the habit of taking opium ... / Written by himself ; to which are subjoined full directions which will enable every opium-eater entirely to conquer that injurious habit.

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: Advice to opium eaters, with a detail of the effects of that drug upon the human frame, and a minute description of the sensations of a person who has been in the habit of taking opium ... / Written by himself ; to which are subjoined full directions which will enable every opium-eater entirely to conquer that injurious habit. Source: Wellcome Collection.