Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.stephanecompoint.com/pict_md_dnBdYHFnYWU1ODw@NT0oYH53YGJicCs4bXtgaTNnbG5WT0QMVEdcREpfS0wDGxwYFkJESkYIBwENAAoVS15K.jpg
http://www.stephanecompoint.com/pict_md_dnBdYHFnYWU1ODw@NT8oYH53YGJicCs4bXtgaTNnbG5WT0QMVEdcREpfS0wDGxwYFkJESkYIBwENAAgVS15K.jpg
http://www.panoramio.com/photo/21569669
http://memarchoaroma.com/2011/01/paseando-por-los-jardines-vaticanos/
http://www.todocoleccion.net/roma-villa-pia-jardines-vaticano-dibujo-natural-por-brendamour~x23932700
Imagen procedente de “Storia del Giardino Italiano”.
Imagen procedente del libro "Il Vaticano e la Basílica di San Pietro"
http://www.epdlp.com/fotos/ligorio2-2.jpg
http://blaaargh.org/page/626
http://mw2.google.com/mw-panoramio/photos/medium/44285102.jpg
http://www.gutenberg.org/files/27766/27766-h/27766-h.htm
http://www.gardenvisit.com/assets/madge/villa_pia_vatican/600x/villa_pia_vatican_600x.jpg
http://worldpics.com.au/the_Vatican/vatican/slides/1994110511.jpg
http://jp2forum.blogspot.com.es/2012_07_01_archive.html
http://cdn2.all-art.org/early_renaissance/images/ligorio3.jpg
http://upload.wikimedia.org/wikipedia/commons/3/31/Pontifical_Academy_of_Sciences_-_building.jpg
http://www.all-art.org/history230-15.html