From a contemporary portrait in the possession of His Grace the Duke of Wellington, at Strathfieldsaye.
[CASPAR DE GUZMAN, COUNT-DUKE OF OLIVARES]
From a portrait by VELAZQUEZ in the possession of Edward Huth, Esq.
[PRINCE BALTASAR CARLOS ON HORSEBACK]
From a picture by VELAZQUEZ at the Prado Museum.
From an etching reproducing a contemporary portrait in the Franciscan Convent of St. Domingo de la Calzada.