Gabriel Jacques de Saint-Aubin, The Promenade on the Boulevard, c. 1760, Black chalk, with brush and black, brown and gray wash, heightened with white gouache, on cream laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/199587

Canaletto, Capriccio: A Palace with a Courtyard by the Lagoon, c. 1750–55, pen and brown ink and brush and gray and black washes over traces of graphite (?); framing lines in pen and brown and black ink, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/111702

Jean Etienne Liotard, Portrait of a Man Holding a Book, Turned to the Right, 1758/62, Black and white chalk, with traces of red chalk, on blue laid paper, rubbed on the verso with vermillion and traced with a stylus, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/213969

Louis de Carmontelle, Portrait of the Chevalier de Lézay, 1756, Red and black chalk on cream laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/213968