<https://gulbenkian.pt/museu/Article/286358>
<http://schema.org/abstract>
"In a video produced as part of the ‘5 Minutes of Drawing’ initiative, promoted by the Fine Arts Faculty of the University of Lisbon, curator João Carvalho Dias tells us about the richness of the ‘hidden collection’ that is the Calouste Gulbenkian Museum’s drawings section. "
<https://gulbenkian.pt/museu/en/articles/the-art-of-the-line-three-drawings-from-the-calouste-gulbenkian-collection/>