Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://www.amazon.co.uk/Garden-Cities-Morrow-Illustrated-Press/dp/140995031X/ref=sr_1_2?dchild=1&qid=1586505208&refinements=p_27%3AEbenezer+Howard&s=books&sr=1-2
https://www.amazon.co.uk/Ciudades-Jard%C3%ADn-del-mañana/dp/849477526X/ref=sr_1_19?dchild=1&qid=1586505592&refinements=p_27%3AEbenezer+Howard&s=books&sr=1-19