across bottom in plate: Veduta interna del Panteon...; lower right in plate: Caval. Piranesi F.; by later hand, lower right in graphite: M 86
Mark J. Millard, New York; purchased by NGA, 1985.
- Focillon, Henri. Giovanni-Battista Piranesi; essai de catalogue raisonne de son oeuvre. Paris: Librairie Renouard, Henri Laurens, 1918.
- Hind, Arthur M. Giovanni Battista Piranesi; a critical study with a list of his published works and detailed catalogues of the prisons and the views of Rome. London: Cotswold Gallery; New York: E. Weyhe, 1922.