Diego Rodríguez de Silva y Velázquez, Las Meninas, c. 1656, oil on canvas, 125 1/4 x 108 5/8″ / 318 x 276 cm (Museo Nacional Del Prado, Madrid)
Additional resources
This painting at the Museo del Prado
Antonio Domínguez Ortiz, Alfonso E. Pérez Sánchez, Julián Gállego, Velázquez (The Metropolitan Museum of Art, 1989)