Title: El desafío del blanco
Subjects: Exhibitions, Portraits, Art patronage, Spanish Portrait painting, White in art, Themes, motives, Thèmes, motifs, Expositions, Peinture de portraits espagnole, Blanc dans l'art
People: Francisco Goya (1746-1828), Agustín Esteve (1753-1815), Dukes of Osuna, Alzaga Villaamil, Óscar
Time periods: 18th century, 19th century