A map taken from a report by Dr. John Snow
Licence: Public Domain Mark
Credit: A map taken from a report by Dr. John Snow. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0072917/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: A map taken from a report by Dr. John Snow. Wellcome Collection. Source: Wellcome Collection.