Sketch of Vestibule, ca. 1760, Smithsonian: Cooper Hewitt, Smithsonian Design MuseumMedium: Pen and
Sketch of Vestibule, ca. 1760, Smithsonian: Cooper Hewitt, Smithsonian Design MuseumMedium: Pen and ink, ink wash on paperhttp://collection.cooperhewitt.org/view/objects/asitem/id/20600 -- source link
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