- barcelona-tourist-guide.com tr/gezilecek-yerler/…
- en.wikipedia.org Castle of Cardona
- patrimoni.gencat.cat en/collection/castle-cardona
- paradorsofspain.com parador-de-cardona.aspx
- viator.com en-PH/Barcelona-attractions/Cardona-…
- tr.wikipedia.org Barselona Metropol Bölgesi
- barcelonalowdown.com cardona-castle-salt-mine-la-…
- youtube.com watch
Andorra la Vella.The Castle of Cardona (Spain).The night in the castle with a Ghost. September, 2019
- tripadvisor.com Attraction_Review-g319799-…
- astelus.com en/Barcelona-tourist-guide/castle-of-…
- tiqets.com en/castle-of-cardona-tickets-l172375/
- timeout.com barcelona/museums/cardona-castle