There is the Forbes pigment collection at Harvard's art museum. https://news.harvard.edu/gazette/story/2015/09/a-wall-of-color-a-window-to-the-past/ https://ne

There is the Forbes pigment collection at Harvard's art museum. https://news.harvard.edu/gazette/story/2015/09/a-wall-of-color-a-window-to-the-past/ https://news.harvard.edu/gazette/story/2015/09/a-wall-of-col...