• http://ja.wcontology.org/resource/Category:中つ国の時代区分 ( describe )
  • http://www.w3.org/2002/07/owl#sameAs ( describe )
    • http://en.wcontology.org/resource/Category:Middle-earth_eras
    • http://ja.dbpedia.org/resource/Category:中つ国の時代区分
  • http://www.w3.org/1992/02/22-rdf-syntax-ns#type ( describe )
    • http://wcontology.org/core#constrainedSetCategory
  • http://wcontology.org/core#usedForConstraint ( describe )
    • http://ja.wcontology.org/resource/Category:中つ国
  • http://www.w3.org/ns/prov#wasDerivedFrom ( describe )
    • http://ja.wikipedia.org/wiki/Category:中つ国の時代区分?oldid=47041004