http://fondosdigitales.us.es/fondos/libros/1017/16/i-quattro-libri-dellarchitettura-di-andrea-palladio-ne-quali-dopo-un-breue-trattato-de-cinque-ordini-e-di-quelli-auertimenti-che-sono-piu-necessarij-nel-fabricaresi-tratta-delle-case-private-delle-vie-de-i-ponti-dellepiazze-de-i-xisti-et-detem/

http://www.metmuseum.org/collections/search-the-collections?&what=Books&who=Andrea+Palladio&pg=1

http://www.christies.com/lotfinder/books-manuscripts/palladio-andrea-i-quattro-libri-dell-5362391-details.aspx

http://facsimilium.blogspot.com.es/2011/09/quattro-libri-dellarchitettura-four.html

http://www.chatsworth.org/art-and-archives/art-library-and-archive-collections/highlights/library/andrea-palladio-i-quattro-libri-dell-architectura

http://vimeo.com/channels/nationalbuildingmuseum/page:4