The historical novel Marietta, A maid of Venice that describes glass-making in late medieval Venice. Very little was known about George, the Dalmatian, and the servants in the house of Angelo Beroviero, as well as the workmen of the latter's glass furnace, called him Zorzi, distrusted him, suggested that he was probably a heretic, and did not hide their suspicion that he was in love with the master's only daughter, Marietta.