Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.fcstudio.com.br/static/site/academico/cidade_vertical/files/publication.pdf
https://de.wikipedia.org/wiki/Verband_Gro%C3%9F-Berlin#/media/File:Berlin_Map_1885.jpg
https://wiki.ead.pucv.cl/Atenuaci%C3%B3n_del_crecimiento_de_la_ciudad_capitalista_americana_desde_la_Bauhaus_-_Fabi%C3%A1n_Urrutia_Cruz
http://ciudadvertical-chicago.blogspot.com/
https://atfpa3y4.wordpress.com/2016/05/18/la-ciudad-vertical-hilberseimer-1927-por-eduardo-fdez/
https://findinghomeproject.wordpress.com/2012/02/25/cityscape/
https://www.architectural-review.com/rethink/reviews/the-punk-of-modernism-ludwig-hilberseimers-metropolisarchitecture/8670589.article
https://arquine.com/ludwig-hilberseimer-mexikanische-baukunst/