Witches' Sabbath (The Great He-Goat) powdered glass, orpiment and iron oxides. He likely worked with mixed materials. Technical analysis indicates that most of the Black Paintings begun with preparatory drawings. "Witches' Sabbath" is the exception; the final composition seems to have been painted directly onto the wall. Art historian Fred Licht notes that Goya's brushwork appears "clumsy, ponderous, and rough" and lacking finish compared to his earlier work. Licht believes this was a deliberate ploy to physically convey dismay at human inadequacy and his own feelings of personal doubt. Unique in the series, "Witches' Sabbath" was not significantly altered by Goya after his initial work.
Princess Mary, Duchess of Gloucester and Edinburgh was the last surviving child as well as the longest-lived child of King George III and Queen Charlotte. As of 1789, as a daughter of the sovereign, Mary had use of the arms of the kingdom, differenced by a "label argent of three points, the centre point bearing a rose gules, the outer points each bearing a canton gules". Works cited Princess Mary, Duchess of Gloucester and Edinburgh Princess Mary, Duchess of Gloucester and Edinburgh (25 April 1776 – 30 April 1857) was the eleventh child and fourth daughter of King George III of the United Kingdom and his consort