受獅子襲擊的直立馬匹與獅子搏鬥蛇的研究 Eugène Delacroix 1830s 受獅子襲擊的直立馬匹與獅子搏鬥蛇的研究 by 歐仁·德拉克洛瓦, 1830s, Drawings, romanticism