http://es.wikipedia.org/wiki/Palazzo_Vecchio

http://www.museumsinflorence.com/musei/Palazzo_vecchio.html

http://www.italia.it/it/idee-di-viaggio/siti-unesco/firenze-il-centro-storico.html

http://www.hotelbalcony.com/english/mon_signoria.html

http://www.reneu.eu/eren.php?c%5B%5D=63075

http://www.flickr.com/photos/dleiva/4091823021/

http://www.artehistoria.jcyl.es/v2/obras/26841.htm

http://es.123rf.com/photo_11973977_palazzo-vecchio-en-la-piazza-della-signoria-en-florencia-toscana-italia.html

http://www.museumsinflorence.com/musei/Palazzo_vecchio.html

http://www.planetware.com/florence/palazzo-vecchio-palazzo-della-signoria-i-to-fpv.htm

http://www.florenceartmuseums.com/palazzo-vecchio/

http://www.anyhere.com/gward/snaps/EnglandItaly02/page5.html

https://en.wikipedia.org/wiki/Palazzo_Vecchio

http://teatriemusei.ovest.com/it/palazzo-vecchio-firenze.php

http://www.planetware.com/florence/palazzo-vecchio-palazzo-della-signoria-i-to-fpv.htm

http://www.reidsitaly.com/destinations/tuscany/florence/sights/palazzo-vecchio.html

http://www.historvius.com/palazzo-vecchio-499/

http://file.aperion.it/slir/w800-h600/caf/6/4/641348667484.jpg

http://www.visititaly.it/vacanze/firenze/palazzo-vecchio.aspx

http://travelioo.com/images/italy/palazzo-vecchio

http://static.digischool.nl/ckv2/hof/Hofcultuur3/studiolo.htm

http://www.wikipaintings.org/en/giorgio-vasari/ceiling-decoration-palazzo-vecchio-florence-1

http://megaconstrucciones.net/?construccion=palazzo-vecchio

ROTH M. Leland.,Entender la arquitectura. Sus elementos, historia y significado. Edit. Gustavo Gili. Barcelona, 1999.