Coconut oils soap recipe. http://www.mommypotamus.com/how-to-make-pure-coconut-oil-soap-for-cleansing-and-laundry/
Food Additives (Lake food dye) http://www.foodadditivesworld.com/lakes.html.
Lake Pigment and paints blog. Sunsikell. https://sunsikell.wordpress.com/.
Making Oil Colors. http://kremerpigments.com/blog/making-oil-color. Recipes for lake pigments in oil.
Making Color Video. http://www.nationalgallery.org.uk/channel/making-colour/.
