<https://soilandhealth.org/copyrighted-book/the-stuff-mans-made-of-the-positive-approach-to-health-through-nutrition/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://soilandhealth.org/copyrighted-book/the-stuff-mans-made-of-the-positive-approach-to-health-through-nutrition/>