1. Roggero, C. and Scotti, A., ‘The Valentino Castle’, (L'Arciere, Turin, 1994).
2. Rondolet, J., ‘Theoretical—practical treatise on the art of building’, (Book 1) only available in Italian.
3. Curini, G., ‘The art of building, complete course of theoretical institution’, (Turin, 1864) [only available in Italian].
4. Montana, G. and Ronca, F., ‘The “recipe” of the stucco sculptures of Giacomo Serpotta’,J. of Cultural Heritage 3 (2002) 133–45.
5. Bertolini Cestari, C., Maspoli, R. and Tulliani, J.M., ‘Stucco-works from Valentino's Castle: Understanding ageing processes on the basis of the interactions between different components, the stucco/environment interface and the role of maintenance’, in ‘Lo Stucco’, Proceedings of an Italian, Conference, Bressanone, July 2001 (Arcadia Ricerche Ed., Venice 2001) 547–56 [only available in Italian].