The Rijksmuseum | Documentation “The Rembrandt Database, Object information, Rembrandt, Self portrait as the apostle Paul, dated 1661, Rijksmuseum, Amsterdam, inv. no. SK-A-4050, http://www.rembrandtdatabase.org/Rembrandt/painting/2947/self-portrait-as-the-apostle-paul, accessed 2016 February 01”