<https://forum.aquariumcoop.com/topic/14160-when-you-forget-to-use-cory%E2%80%99s-bag-trick/#comment-114095>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.aquariumcoop.com/topic/14160-when-you-forget-to-use-cory%E2%80%99s-bag-trick/>