Louis Legoux, Louis XVI, 1793, stipple engraving on silk satin, National Gallery of Art, Washington. https://dartabase.art/cite/nga/2589 Thomas Holme, A mapp of ye improved part of Pensilvania in America, divided into countyes, townships and lotts, c. 1687, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8690 Louis Legoux, Marie Antoinette d'Autriche (Marie Antoinette of Austria), 1793, stipple engraving on silk satin, National Gallery of Art, Washington. https://dartabase.art/cite/nga/2588