http://www.bd-arteder.com/cgi-bin/BRSCGI?CMD=VERDOC&BASE=ARTI&DOCR=1&SORT=APE1&RNG=20&SEPARADOR=&&op=Y&APE1,APE2,NOMB,PSEU=CHILLIDA+JUANTEGUI++EDUARDO&op=O&op=Y

https://artikabooks.com/en/artists/eduardo-chillida

https://www.bizkaiatalent.eus/pais-vasco-te-espera/algunos-vascos-a-traves-de-la-historia/eduardo-chillida-referencia-escultura/