The code of safety; or, causes, effects, and aids, preventive and curative, as well of other epidemics, as also of Asiatic cholera / [George Frederick Collier].

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The code of safety; or, causes, effects, and aids, preventive and curative, as well of other epidemics, as also of Asiatic cholera / [George Frederick Collier]. Public Domain Mark. Source: Wellcome Collection.