Portada del libro original.

https://www.google.es/search?q=Architecture+in+Italy,+1400-1500%E2%80%9D.+Ludwig+Heinrich,+Paul+Davies.+1974.Pelican+history+of+art&espv=2&biw=1366&bih=623&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjXoPiu65rMAhWEzRQKHSltCU0Q_AUIBigB&dpr=1#imgrc=kB0BFm6r74YRJM%3A