Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://www.google.es/search?q=THORVALDSEN,+Bertel&es_sm=93&source=lnms&tbm=isch&sa=X&ei=6smRU9XhH6Sr0QWUzICgBg&ved=0CAgQ_AUoAQ&biw=1600&bih=813
http://en.wikipedia.org/wiki/File:Thorvaldsen_som_ung.jpg
http://www.reprodart.com/a/eckersberg-christoffer-wi/bertel-thorvaldsen-1770-1-1.html
http://visithcandersen.dk/thorvaldsen.htm
http://www.guldalder.dk/B_Thorvaldsen_uk.html
http://www.terminartors.com/artworkprofile/Eckersberg_Christoffer_Wilhelm-Portrait_of_Berthel_Thorvaldsen
http://www.artvalue.com/auctionresult--clemens-johan-frederik-1749-18-portr-t-af-bertel-thorvaldsen-2419556.htm
http://es.wikipedia.org/wiki/Bertel_Thorvaldsen
http://www.oceansbridge.com/oil-paintings/page.php?xPage=sectionlist.html&xSec=552&page=2
http://www.artrenewal.org/pages/artwork.php?artworkid=36631