Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://foroitalico.altervista.org/augustoimperatore.htm
http://rome-honours-groningen.co.nf/2014/FascismPiazzaAugustoImperatore.php
https://www.romasparita.eu/foto-roma-sparita/57205/piazza-augusto-imperatore-10