<https://tl.digitalhistorianproject.com/1499-how-to-connect-a-usb-camera-to-a-macbook-pro>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://tl.digitalhistorianproject.com/1499-how-to-connect-a-usb-camera-to-a-macbook-pro>