Giovanni di Paolo, The Annunciation and Expulsion from Paradise, c. 1435, tempera on panel, National Gallery of Art, Washington. https://dartabase.art/cite/nga/364

Sassetta, Madonna of Humility, c. 1435/1440, tempera on poplar panel, National Gallery of Art, Washington. https://dartabase.art/cite/nga/387

Master of the Osservanza, The Meeting of Saint Anthony and Saint Paul, c. 1430/1435, tempera on poplar panel, National Gallery of Art, Washington. https://dartabase.art/cite/nga/436