Sarawak: four Kayan people collecting gutta percha from a tree trunk. Photograph.
- Reference:
- 30412i
Licence: Public Domain Mark
Credit: Sarawak: four Kayan people collecting gutta percha from a tree trunk. Photograph. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0037406/full/800%2C/0/default.jpg)