Signature: Signed in pen and brown ink in bottom right: H. Vernet
Inscription: Inscribed in graphite in bottom left: Plantade or Flantade
The Metropolitan Museum of Art. "Infinite Jest: Caricature and Satire from Leonardo to Levine," September 13, 2011–March 4, 2012.
Nadine Orenstein, Constance C. McPhee Infinite Jest: Caricature and Satire from Leonardo to Levine Exh. cat.: September 13, 2011 - March 4, 2012. The Metropolitan Museum of Art, New Haven and London, 2011, Entry by Nadine Orenstein, cat. no. 153, pp. 196-197, ill.