Licence: Public Domain Mark
Credit: Chang and Eng the Siamese twins, one holding a book. Lithograph. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0007364/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Chang and Eng the Siamese twins, one holding a book. Lithograph. Wellcome Collection. Source: Wellcome Collection.