This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Unknown maker British Sir David Brewster Mrs. James Brewster and Mr. and Mrs. Adair Craigie. Google Art Project. British Unknown maker Unknown maker British photographer The Paul Getty Museum getty edu PM about Salt from calotype negative True AM lido getty edugmobj getty edu html Print Not on display