rtve.es
Imprescindibles - Claudio Biern: Historias animadas de ayer y hoy - Documental en RTVE
Dec 18, 2023
animationmagazine.net
Animation Great Claudio Biern Boyd, Known as ‘The Walt Disney of Spain,’ Dies at 81
Oct 18, 2022
elespanol.com
Claudio Biern Boyd: "Las multinacionales americanas nos están desculturizando"
Aug 19, 2021
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Spanish television producer, screenwriter and television director
Claudio Biern Boyd was a Spanish television writer, director, producer and founder of the Spanish animation studio BRB Internacional. Wikipedia