On April 17 1816, Dr. Polidori is granted a passport by Conte Ambrogio Cesare San Martino d’Aglia, Minister of the King of Sardinia in London.Lord Byron’s new personal physician, is granted a passport by Conte Ambrogio Cesare San Martino d’Aglia, Minister of the King of Sardinia in London.
“The Chronicle’s additional paragraph … with a vengeance – charge of conspiracy against Lord Byron’s domestic peace. [The] Courier [has] no attack. Three booksellers print Lord Byron’s new poems.311 “Be sure to ask for Hone’s edition of all Lord Byron’s new poems!” … the sale immense of Hone’s. Dr Polidori, who is going after all with Byron, and is an odd dog,313 went into the shop, threw down a shilling and had a copy flung over to him, like a loaf at a baker’s or any other staple – dined at home …”
— John Cam Hobhouse writes in his diary for April 16 1816.