Édouard Manet, Au Paradis (In the Balcony), 1832, transfer lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8689 Henri Fantin-Latour, Siegfried and the Rhine Maidens, 1836, black crayon on paperboard, National Gallery of Art, Washington. https://dartabase.art/cite/nga/6847 Rudolf von Alt, Friedhof in Ischl, 1838, Aquarell auf rauem Velinpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/8370