http://creativecommons.org/ns#attributionURL

used by 16:

• english-heritage-building-materials-thesaurus
• english-heritage-components-thesaurus
• english-heritage-event-types-thesaurus
• english-heritage-evidence-thesaurus
• english-heritage-maritime-craft-thesaurus
• english-heritage-monument-types-thesaurus
• fish-archaeological-objects-thesaurus
• glastonbury-2011
• rcahms-archaeological-objects-thesaurus
• rcahms-maritime-craft-thesaurus
• rcahms-monument-types-thesaurus
• rcahmw-monument-types-thesaurus
• rcahmw-periods-list
• taxonconcept-assets
• taxonconcept-occurences
• totl-xkcd