York St. #4, Covent Garden, London; Original from Fogg Library, Digitized May 18, 2007: George Bell and Sons. p. 388. ↑ Slovenian Ministry of Culture register of national heritage reference number ešd 3502 ↑ Francesco Robba and the Venetian Baroque Sculpture of the Eighteenth Century; Rokus Publishing House Ltd., Ljubljana, Slovenia; ISBN 961-209-160-9 ↑ Luca Della Robbia by L. Burlamacchi (marchesa.) ↑ Herbermann, Charles, ed. (1913).